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Ginro ( (ギン) (ロー) Ginrō) is Kinro's brother, and one of the village guards. He starts hanging around Senku during his stay in the village and is one of the first villagers to join the Kingdom of Science.

Being usually used like a "pack mule" for labor in the Kingdom of Science, Ginro tries shirking out of any job he's given regardless of the effort needed; Kohaku and Kinro usually drag him along. During the adventure on Treasure Island, Ginro manages to convince an unpetrified warrior to serve him due to the resemblance he bears to his late master, gaining protection from his former "tormentors".


Ginro is a rather short, androgynous young man with medium-length blond hair that covers the left side of his face. Unlike his brother, he seems to take strongly after his mother in looks, having round, green eyes and soft facial features, and unlike many of the other warriors, is not very muscular. Due to these traits, he is able to convincingly pass himself off as a girl and uses this in conjunction with a disguise to (reluctantly) join the harem selection and infiltrate the Petrification Kingdom. According to Matsukaze, he resembles his former lord, who is said to be a distant relative. [9]

Ginro wears a blue karate gi-like uniform and belt. He, like his brother Kinro, carries his spear wherever he goes.



Ginro is the coward[10] of the two guard brothers, immediately showcased when he gets visibly more startled than Kinro by Kohaku's threats of attacking them unless they let Senku into the village.[11] Another example being when he considered the possibility of having everyone run away from the village to avoid a fight with the Tsukasa Empire, though after Kohaku points out that only a scum bag would consider it as the elderly and children wouldn't be able to keep up, he claims he didn't think of such an idea. He can be very full of himself and is selfish, such as when he abruptly decided to try and beat Senku in the village games and take the spot of village chief. He's easily distracted by shiny things and Senku's antics, which ends with him usually working to further the scientist’s schemes.[12]

Another aspect of his personality is that he is much more sincere in his cowardice and is open about his feelings, showing no hesitation to admitting to being scared of things like soap bubbles, bugs, and poison gas. His sincerity is something he seems to be aware of and he finds lacking in other people, he questioned Senku and Chrome acting so fearless in what could easily be a fatal mission, which he describes as being reckless until being comforted and corrected by Kaseki, who's also shown to be open about his shortcomings. He's also tried to pass this sincerity onto his brother, suggesting early on that he should tell Kohaku about his poor vision so she wouldn't treat him so harshly about his deficiencies in fighting because of it.

There are two main sides to him: a kinder, gentler side that cares for his friends and family, and a scummier side to himself. There are times when his scummy meddling side wins over his nicer side, such as when he enters the village tournament to determine who would be village chief and wed Ruri. While he initially does so to protect Ruri from Magma, once he learns she is satisfied with marrying whoever wins, Ginro immediately decides to win so he can be chief and order people around, have ramen everyday, give everyone a harem, and be a "good chief," in his own words. The villagers are so disturbed that when he loses to Senku, they immediately cheer, despite the fact they do not approve of Senku as an outsider. Similarly, when the Perseus sets sail, he refuses to board for fear of such a dangerous journey, though he pretends to swim after the ship in order to impress some girls. In addition, he tends to enjoy meddling in Chrome and Ruri's relationship. At one point, in an extra, he even suggests that he, Chrome, Kinro, and Senku attack Kohaku together to see who is stronger and claims it is "fair" since Kohaku is much stronger than all of them individually.[13]

Ginro shows regret for his cowardice often and genuinely cares about his friends, to the point where he runs off to help Senku and Chrome in a dangerous situation where they were attempting to acquire sulfuric acid from Sulfurina, a natural sulfuric acid spring located inside a crater where highly poisonous gases accumulate. Similarly, he refuses to cut the bridge leading into the village despite knowing that doing so would block the entrance to Hyoga's forces, because his brother Kinro, who was wounded and hanging from the bridge, would have to be sacrificed. Later on, when his brother faces the prospect of being petrified, Ginro manages to overcome his fear to protect his brother with help from Suika. This proves that despite having a scummy, cowardly side, he will endure any tough situation to protect his friends and family. He also showed this when he received great information on the Leader of the Petrification Kingdom, after which he was mortally wounded by Ibara. He was willing to accept his fate after Kohaku saved him.

He can be lazy, as he tends to slack off during his duties as a guard. He often complains when he and Kinro have to lend manpower to Senku's inventions, which physically exhaust them, and celebrated alongside Kinro when Senku built a power plant that would decrease their work.

When it comes to romantic affairs, Ginro is shown to be focusing primarily on a woman's superficial qualities, a trait his brother Kinro greatly despises.[14] Though he's never been shown involved in any romance of his own, he ranks high in the top village hunks according to the village girls. He can get very nosy about other people's romantic affairs, aggressively inquiring while under the impression that Senku was about to discuss the type of woman he likes when he expressed some intrigue about Homura, who was spying on them. His intrusions in other people's relationships don't always lack tact or common sense, however, such as when he suggested that Chrome should use the first ever telephone call in the stone world to confess his feelings to Ruri, an idea that several people seemed to back, and they were visibly disappointed when Chrome didn't go forward with it. Previously, he had taken the chance to quietly comfort Ruri during the village games by assuring her that Chrome was going to win, saying he could tell she wanted him to be victorious (and therefore become her husband); this lasted a short time before his ambition took over and he attempted to win himself.

He also shows a perverted side, imagining what it would be like to marry Ruri, and also fantasizing about the "forbidden love" that would be Ruri marrying Kohaku, her sister. He showed interest in the use of an x-ray to peek under women's clothes during the construction of the Perseus, and towards the end of the Treasure Island Arc, he got himself distracted in contemplation of Kohaku's breasts while in the middle of thanking her and others for saving his life. Similarly, he enjoys showing off, particularly in front of cute girls, as he imagined himself looking cool while facing off during the village tournament, though in reality, he was beaten badly before winning. He similarly swam to the Perseus to make it look like he was brave and wanted to join his friends on their dangerous journey to the outside world when, in reality, he believed he would not be able to reach the ship and would return to the island looking like a hero and getting several girls to like him.

Abilities and Skills[]

  • Average Physical Prowess: While not as good of a warrior as Kinro, he possesses some skill. He can support up to at least Chrome's weight, as seen when he managed to keep him held up by his spear, albeit with great difficulty. He managed to defeat Argo, the physically third-most powerful man in the village, though received heavy injuries in the process. He could hunt and kill large American alligators with help from the others.[15]
  • Spearmanship: Ginro appears to possess average spear skills during combat, but excels with showy flourishes and feints. Ginro is shown to be very skilled with using it, as he was able to perform a spearman's dance while disguised as a woman.
  • High Stamina: He has enough physical capability to match his brother in spinning the electrical generator.[16] When receiving a barrage of hits from Argo during the village competition, Ginro is able to withstand them and even succeed in pushing him off a cliff into water and win the match. Granted, Argo was shocked at Ginro's very unusual endurance, which was due to him being under the effects of a concoction similar to an energy drink administered by Senku, and strong mental suggestion about its power.[17] While disguised, Ginro was implied to be capable of storing a pineapple containing a chemical weapon on his person without affecting his movements. He survived a fatal wound from Ibara, though it was thanks to Kohaku that he survived, as she made sure that they were petrified not long after.


  • Spear: Originally, Ginro wielded a stone spear, which later was plated with silver, to be used as a detector of the toxic fumes near the sulfuric acid lake. The spear was later replaced with a katana made of steel.
  • Katana: During the raid on Ishigami Village by Hyoga and his goons, Kaseki and Senku gave Ginro a katana.
  • Ethyl Acetate: A chemical whose vapors can cause strong dizziness when inhaled. Ginro was equipped with this chemical concealed inside a pineapple (given the smell similarity to an overripe pineapple), which in turn was concealed within the bottom part of his dress while infiltrating the Petrification Kingdom disguised as a woman. It is not clear how the pineapple was fastened inside the dress, though the means appeared to be a short cord terminating in a small loop.

Chapter Appearances[]

Chapter Appearances
Kingdom of Science Arc
13. Part 1: Stone World: The Beginning Absent
14. Those Who Have Faith Absent
15. Two Kingdoms of the Stone World Absent
16. Kohaku Absent
17. Nasty Looks Debut
18. Sorcery Showdown Appears
19. Two Million Years of Being Appears
20. Stone Road Appears
21. Dawn of Iron Appears
22. Survival Gourmet Pictured
23. The Smooth Talker Appears
24. Lightning Speed!!! Appears
25. By These Hands, the Light of Science Appears
26. A Shadow Alliance Absent
27. A Certain Scientists Wish Appears
28. Clear World Appears
29. Senku's Lab Appears
30. Death Green Appears
31. Friends Have Each Other's Backs Mentioned
32. Brain & Heart Appears
33. Baaad Chemicals Appears
Village Games Arc
34. Sneaky Grand Bout Strategy Appears
35. The Masked Warrior Appears
36. Kinro and Ginro Appears
37. Science-User Chrome Appears
38. Master of Flame Pictured
39. And the Winner is... Appears
40. Two Million Years in the Making Pictured
Village Origins Arc
41. Doctor Stone Pictured
42. Tale for the Ages Absent
43. Humanity's Final Six Absent
44. One Hundred Nights, One Thousand Skies Pictured
45. Epilogue of Part 1 (End of Part 1) Part 2: Stone Wars Pictured
Vs. Hyoga Arc
46. Stone Wars Appears
47. Science Vs. Power Appears
48. Blades of Science Appears
49. To the Present Appears
50. Humanity's Greatest Weapon Appears
Communications Arc
51. Sweets for the Stone World Appears
52. Age of Energy Appears
53. Hard Knocks Crafting Club Appears
54. Flickering Blue Jewel Appears
55. Treasure Dungeon Push Start Appears
56. The Treasure Pictured
57. Heat Heart Appears
58. Wave of Science Appears
59. Voices from Here to Infinity Pictured
60. Angel's Song, Devil's Whisper Appears
61. Stone Wars Begin Appears
62. Double Chase Appears
63. Information Warfare Appears
64. Hotline Appears
65. Call From the Dead Appears
66. Liars and Truth Tellers Absent
67. Full Mobilization Appears
68. Flame of Revolution Appears
69. Steam Gorilla Appears
70. Paper Shield Appears
71. Prison Break Absent
72. Experience Points Absent
73. Top-Secret Mission Appears
74. Fateful 20 Seconds Pictured
75. 20-Second Countdown Appears
76. Final Battle Appears
77. The Power of Science Appears
78. That Which Destroys or Saves Appears
79. For This Very Moment Appears
80. Humanity's Strongest Tag Team Appears
81. Fingertip Absent
82. Epilogue of Stone Wars (End of Part 2) Appears
Age of Exploration Arc
83. Dr. Stone Appears
84. People = Power Appears
85. Ultimate Resource Absent
86. Money Appears
87. Senku's Department Store Appears
88. Wings of Humanity Appears
89. Adventures Flashback
90. New World Map Absent
91. Need Bread? Start with Wheat Appears
92. Desire is Noble Absent
93. The First Shot Is Yours Absent
94. The Scent of Black Gold Appears
95. First Contact Appears
96. Eye of Science Pictured
97. The Joy of Leadership Appears
98. Ryusui Appears
99. Kingdom of Science Photo Journal Appears
100. Origin of the 100 Tales Appears
Treasure Island Arc
101. Treasure Chest Appears
102. Perseus, Ship of Science Appears
103. Light of Hope and Despair Appears
104. Men of Forensics Absent
105. The Island's Great Beauty Absent
106. The Secret of Petrification Absent
107. To the Trump Card Science Vessel Appears
108. Two Trump Cards Flashback
109. The Great Escape Appears
110. Beautiful Science Appears
111. Science Wars Appears
112. King of Three Dimensions Appears
113. Cryptography Science Appears
114. Silently, Science Pierces the Stone Appears
115. One Second, One Grain Absent
116. Miracle in Hand Appears
117. The Kingdom of Science Strikes Back Absent
118. Silent Soldiers Absent
119. Science Soldiers Absent
120. Top Secret Appears
121. Medusa's True Face Appears
122. Brain-Battle Puzzle Pieces Petrified
123. The Battle of Wits' Deal Game Absent
124. The Invention of God and the Devil Absent
125. The Decisive Three-Dimensional Battle Petrified
126. A 3-D Strategy Absent
127. Medusa and Perseus Absent
128. Island-Wide Battle Royale Absent
129. Joker Absent
130. Devil's Choice Absent
131. Nasty Crimes Absent
132. The Strongest Weapon Is... Absent
133. Flash of Destruction Absent
134. Commander Faceoff Absent
135. Counting Absent
136. Medusa Vs. Science Absent
137. Last Man Standing Absent
138. End Of Part 3 Appears
New America City Arc
139. First Dream Appears
140. New World Plots Appears
141. First Team Appears
142. World Power Appears
143. Ryusui vs. Senku Appears
144. Ryusui & Gen vs. Senku & Kohaku Appears
145. Bar Francois Appears
146. Bar Francois: Bitters Appears
147. Science Journey Appears
148. Pioneers of Earth Appears
149. Light Lure in Darkness Appears
150. Righteous Science User Appears
151. Dr. X Absent
152. Doctor Vs. Doctor Appears
153. Science Wars Appears
154. Spy vs. Spy Absent
155. Science Is Elegant Appears
156. Two Scientists Absent
157. Same Time, Same Place Absent
158. Who's the Scientist? Appears
159. Lock On Absent
160. Gunshots Echo Appears
161. Craft Wars Appears
162. Down the Earth-Stained Path Appears
163. Multifront Final Battle Appears
164. Re-Lock On Appears
165. Know the Rules, Make the Rules Appears
166. Ultimate Knight Absent
167. Different Strokes Absent
168. Corn City: Population One Million Absent
169. RISK or HEART Absent
South America Arc
170. Staring Up at the Same Moon Appears
171. Staring at the Same Light Absent
172. Marked with an "X" of Wisdom Absent
173. Earth Race Appears
174. The Specter of the Panama Canal Absent
175. Ultra Race Across South America Appears
176. Net-Breaking Battle Plan Absent
177. Medusa Mechanism Absent
178. Science Scales Mountains Absent
179. Bonds on the High-Wire Absent
180. Sickening Yet Beautiful Absent
181. New World Science Appears
182. Diamond Heart Absent
183. Stone Sanctuary Absent
184. Fort Medusa Absent
185. Lovely Cleavage Plane Appears
186. To Each Their Own Blade Appears
187. Cyber Guerilla Appears
188. What I Once Sought to Destroy Absent
189. Our Dr. Stone Pictured
190. Science Transcends Life Absent
191. Divine Scream, Down to Earth Absent
192. Until We Meet Again Appears
193. Our Stone World Absent
New Stone World Arc
194. Homo Sapiens, All Alone Petrified
195. Treasure Hunter, All Alone Petrified
196. Scientist, All Alone Petrified
197. A Stony Eden and Its Forbidden Fruit Absent
198. Whole New World Fantasy
199. Superalloys Appears
200. Future Engine Pictured
Globetrotting Arc
201. Morse Talk Appears
202. Ryusui Corp. Absent
203. Missile Heart Absent
204. The Universe is Written in the Language of Mathematics Absent
205. Universe of Zeroes and Ones Absent
206. Dawn of the Computer Absent
207. Linking the Circuit Diagram Appears
208. Science Transcends Humanity Absent
209. The Rocket's Hard Truth Pictured
210. Not One-Way Absent
211. World Tour for Resources Absent
212. Final Part: Stone to Space Absent
Moon Mission Arc
213. Unknown Known Absent
214. Stone World's Earth Defense Force Absent
215. Long, Long Road Absent
216. Hello, World Absent
217. Science Underdogs Absent
218. WWW (World Wide Workshop) Appears
219. Three Heroes Pictured
220. A Desire for All Absent
221. Entrusting It All Appears
222. Science Road Absent
223. 0 Absent
224. In Space Absent
225. Docking Absent
226. Giant Step Absent
227. It Was You Appears
228. Life Stone Absent
229. Why-Man Absent
230. Human Absent
231. A Future To Get Excited About Absent
232. Final Chapter: Dr. STONE Pictured


  • His name contains the kanji for silver ( gin) and wolf ( ) and put together means "silver wolf", in keeping with the fact that all other members of Ishigami village have names referencing metals and crystals. His being the reference to the chemical element silver, its elemental symbol is Ag and atomic number is 47.
  • Ginro's birthday is 4/7, which is the atomic number for silver (47).
  • Ginro is the fifth most popular hunk amongst the villagers.[18]
  • Ginro tends to always screw up in some way, mostly due to his absentmindedness and being a chicken.
  • In both times he was petrified, Ginro was severely wounded in some way, and the revival process saved him.


  1. Dr. Stone Manga: Volume 22 — Extras
  2. Dr. Stone Manga: Volume 4 — Q&A
  3. Dr. Stone Manga: Chapter 99, Page 18
  4. 4.0 4.1 Dr. Stone: Kingdom of Science Encyclopedia, Page 48
  5. Dr. Stone Manga: Volume 19 — Extras
  6. Dr. Stone Manga: Chapter 121, Page 19, Ginro is petrified along with Kohaku.
  7. Dr. Stone Manga: Chapter 192, Page 21, Ginro is petrified along with the rest of the world.
  8. Dr. Stone Manga: Chapter 199
  9. Dr. Stone Manga: Chapter 139, Page 14
  10. Dr. Stone Manga: Chapter 30, Page 6
  11. Dr. Stone Manga: Chapter 17, Page 18
  12. Dr. Stone Manga: Chapter 23, Page 5
  13. Dr. Stone Manga: Chapter 22
  14. Dr. Stone Manga: Chapter 27, Page 13
  15. Dr. Stone Manga: Chapter 148, Page 14
  16. Dr. Stone Manga: Chapter 25, Page 10
  17. Dr. Stone Manga: Chapter 37, Page 3
  18. Dr. Stone Manga: Chapter 22 — Q&A

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