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"Rules are rules."

— Kinro's personal motto

Kinro ( (キン) (ロー) Kinrō) is the elder brother of Ginro and the son of Tetsuken and Shirogane. Originally having served as one of the guards of Ishigami Village alongside Ginro[10], he quickly joined Senku as a member of the Kingdom of Science, serving as part of the Power Team's Defense Division.


Kinro Icons

Kinro is a muscular young man of slightly above-average height with brown hair, green eyes, a scar on his right cheek and a lock of long hair that hangs between his eyes. He often has a scowl on his face partially caused by his nearsightedness.

He wears a sleeveless royal blue karate gi-like uniform with a rope belt. On his back, he wears a buckler emblazoned with the village's star pattern.

After the tournament to determine the chief of Ishigami Village, Kinro begins wearing a pair of glasses to correct his nearsightedness. He also carries a katana strapped to his side after Hyoga's raid.

When Yuzuriha built a fashion store, Kinro wore a modern outfit.[11]


Kinro is the stern half of the two guard brothers. He takes his job seriously and is not easily distracted. He believes in hard work and despises laziness or cheating of any form, even if for a noble cause, such as being the only one against entering more of their allies to fix the Village Games so the Kingdom of Science would win despite them needing to win in order to cure Ruri.

He's dedicated to upholding the rules, refusing Senku's entry into the village, despite him saving Kohaku's life.[10][12] He maintains his principles even when a huge portion of the village gets bribed by Senku's ramen, vehemently refusing to participate in any "sorcerous" activities or try "sorcerer" food.[13] In the village tournament, after using Suika's eyeglasses made by Senku to fight against Magma, he consults with Jasper about the mask's legality, feeling as though he unfairly cheated. Though initially suspicious of Senku[14], he becomes a loyal member of the Kingdom of Science, vouching for Senku to the rest of the village. This also proves that, despite his adherence to rules, he is not prejudiced towards others and is capable of seeing the good in them.

Kinro's reasoning skills are a bit poor in the beginning. He refused to believe there was life outside the village aside from those banished. Plus, he overlooked the fact that it would be impossible for Senku to be a banished person as he is similar in age to him and never met him before. Again, the rule wouldn't apply to those descended from those banished as they didn't commit crimes towards the village.

In addition, he proves that, despite being a "stick in the mud" most of the time, he is genuinely loyal to his friends and is dedicated to his duty as a guard, especially in protecting the other villagers. When Kohaku asked for his help in winning the grand bout to help her sister, he was perfectly willing to help. He also often helps Senku with his man-powered generator by utilizing his labor, though is happy when it becomes automated and he doesn't have to work himself to death on it anymore.

When the village is attacked by Hyoga and his forces, he is willing to sacrifice himself by having Ginro cut the bridge that holds him and Hyoga's goons to ensure they cannot harm the village. Even when heavily injured, he immediately goes back to guard duty the next day as he feels that, as the guard, he shouldn't lay around and use his injury as an excuse to shirk his duties (though his injury was serious and definitely needed more than a day to heal). He is straight-laced to a fault and tends to act as Ginro's conscious to motivate him.

Prideful to a fault, he refuses to disclose his "blurry eye disease" even though it puts him at a severe disadvantage in combat.[15] After being frightened by Senku's soap bubbles[16], he claims that he was merely reacting cautiously to the unknown. He tends to react mostly stoically to most things and does his best to keep his calm at all times.

Despite his serious temperament, Kinro often acts emotionally. Senku successfully bribes Kinro into letting him pass by gilding his spearhead. Afterwards, Kinro shows a strong emotional attachment to the spear.[17] He often gets annoyed and worn out by Senku's experiments at his expense. After Senku creates a generator that eases his work, Kinro is excited, despite his normal disdain for laziness. In addition, he is genuinely excited by the automobile Senku makes alongside the other guys. When Minami hinted at a possible attraction of his to Kirisame, he became nervous and could only vouch for her skill. He values less shallow qualities in a woman compared to Ginro.[18]

Kinro seems to be manipulated easily, likely due to his purity and honor. Gen Asagiri made use of this when he manipulated Kinro into eventually helping Senku power an electricity generator.[19]

As a member of the Kingdom of Science, he learns to overcome some of his stubbornness. Initially dismissing arithmetic as unnecessary and impractical for combat, he is quick to join Senku's literacy school, telling Ginro that learning to write is an increasingly important part of communication.

Abilities and Skills[]

  • Spearmanship: Kinro wields a spear and a buckler. For a time, the spearhead was gilded (as a bribe from Senku in order to let him into the village).
  • Swordsmanship: For his second battle with the Empire of Might, he used a standard Japanese katana. He was shown to be highly proficient with using the blade. He later reverted back to using his trusty spear.
  • Enhanced Physical Prowess: Kinro is one of the physically strongest members of Ishigami Village, rivaled only by Magma and Kohaku. Initially, he was hindered by his poor eyesight but after being given glasses he overcomes it.[20] Kohaku's brief power rating would place him above Ginro who has 100 battle points, but below Kohaku who has 1000 battle points, himself having 500 according to Kohaku, although this was given before his eyesight was taken care of.[21]
  • Enhanced Strength: Once given partly proper glasses to adjust his vision, he quickly overwhelms Magma, a man considered to be the physically strongest individual in the Ishigami Village.[22]
  • Enhanced Stamina: Kinro was tasked with maintaining electricity through spinning a hand-powered electrical generator along with his brother. They were to frequently do so until they were replaced by a water-powered mill.[23] He was capable of taking a flurry of hits from Magma, then recovering and consequently beating the latter.[24]


3/5 C
2/5 D
3/5 C
4/5 B
Kinro's stats, according to Volume 6

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 Absent
21. Dawn of Iron Appears
22. Survival Gourmet Absent
23. The Smooth Talker Appears
24. Lightning Speed!!! Appears
25. By These Hands, the Light of Science Pictured
26. A Shadow Alliance Absent
27. A Certain Scientists Wish Appears
28. Clear World Appears
29. Senku's Lab Appears
30. Death Green Absent
31. Friends Have Each Other's Backs Mentioned
32. Brain & Heart Pictured
33. Baaad Chemicals Appears
Village Games Arc
34. Sneaky Grand Bout Strategy Absent
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 Appears
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 Appears
Vs. Hyoga Arc
46. Stone Wars Appears
47. Science Vs. Power Appears
48. Blades of Science Appears
49. To the Present Pictured
50. Humanity's Greatest Weapon Pictured
Communications Arc
51. Sweets for the Stone World Pictured
52. Age of Energy Appears
53. Hard Knocks Crafting Club Pictured
54. Flickering Blue Jewel Appears
55. Treasure Dungeon Push Start Absent
56. The Treasure Pictured
57. Heat Heart Pictured
58. Wave of Science Absent
59. Voices from Here to Infinity Pictured
60. Angel's Song, Devil's Whisper Pictured
61. Stone Wars Begin Appears
62. Double Chase Appears
63. Information Warfare Appears
64. Hotline Appears
65. Call From the Dead Absent
66. Liars and Truth Tellers Absent
67. Full Mobilization Appears
68. Flame of Revolution Pictured
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 Absent
80. Humanity's Strongest Tag Team Absent
81. Fingertip Absent
82. Epilogue of Stone Wars (End of Part 2) Appears
Age of Exploration Arc
83. Dr. Stone Absent
84. People = Power Pictured
85. Ultimate Resource Absent
86. Money Pictured
87. Senku's Department Store Appears
88. Wings of Humanity Appears
89. Adventures Absent
90. New World Map Absent
91. Need Bread? Start with Wheat Absent
92. Desire is Noble Absent
93. The First Shot Is Yours Absent
94. The Scent of Black Gold Appears
95. First Contact Absent
96. Eye of Science Absent
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 Flashback
102. Perseus, Ship of Science Appears
103. Light of Hope and Despair Appears
104. Men of Forensics Petrified
105. The Island's Great Beauty Absent
106. The Secret of Petrification Absent
107. To the Trump Card Science Vessel Absent
108. Two Trump Cards Flashback
109. The Great Escape Petrified
110. Beautiful Science Absent
111. Science Wars Absent
112. King of Three Dimensions Absent
113. Cryptography Science Flashback
114. Silently, Science Pierces the Stone Absent
115. One Second, One Grain Absent
116. Miracle in Hand Absent
117. The Kingdom of Science Strikes Back Absent
118. Silent Soldiers Absent
119. Science Soldiers Absent
120. Top Secret Absent
121. Medusa's True Face Flashback
122. Brain-Battle Puzzle Pieces Absent
123. The Battle of Wits' Deal Game Absent
124. The Invention of God and the Devil Absent
125. The Decisive Three-Dimensional Battle Appears
126. A 3-D Strategy Pictured
127. Medusa and Perseus Pictured
128. Island-Wide Battle Royale Appears
129. Joker Appears
130. Devil's Choice Pictured
131. Nasty Crimes Pictured
132. The Strongest Weapon Is... Appears
133. Flash of Destruction Pictured
134. Commander Faceoff Absent
135. Counting Petrified
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 Absent
142. World Power Absent
143. Ryusui vs. Senku Appears
144. Ryusui & Gen vs. Senku & Kohaku Absent
145. Bar Francois Absent
146. Bar Francois: Bitters Appears
147. Science Journey Appears
148. Pioneers of Earth Absent
149. Light Lure in Darkness Appears
150. Righteous Science User Appears
151. Dr. X Absent
152. Doctor Vs. Doctor Absent
153. Science Wars Pictured
154. Spy vs. Spy Appears
155. Science Is Elegant Appears
156. Two Scientists Absent
157. Same Time, Same Place Absent
158. Who's the Scientist? Absent
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 Absent
165. Know the Rules, Make the Rules Pictured
166. Ultimate Knight Absent
167. Different Strokes Absent
168. Corn City: Population One Million Pictured
169. RISK or HEART Appears
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 Absent
174. The Specter of the Panama Canal Absent
175. Ultra Race Across South America Absent
176. Net-Breaking Battle Plan Absent
177. Medusa Mechanism Appears
178. Science Scales Mountains Absent
179. Bonds on the High-Wire Absent
180. Sickening Yet Beautiful Absent
181. New World Science Absent
182. Diamond Heart Appears
183. Stone Sanctuary Appears
184. Fort Medusa Absent
185. Lovely Cleavage Plane Absent
186. To Each Their Own Blade Absent
187. Cyber Guerilla Absent
188. What I Once Sought to Destroy Absent
189. Our Dr. Stone Absent
190. Science Transcends Life Appears
191. Divine Scream, Down to Earth Pictured
192. Until We Meet Again Absent
193. Our Stone World Absent
New Stone World Arc
194. Homo Sapiens, All Alone Petrified
195. Treasure Hunter, All Alone Absent
196. Scientist, All Alone Absent
197. A Stony Eden and Its Forbidden Fruit Absent
198. Whole New World Fantasy
199. Superalloys Absent
200. Future Engine Absent
Globetrotting Arc
201. Morse Talk Absent
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 Pictured
207. Linking the Circuit Diagram Absent
208. Science Transcends Humanity Appears
209. The Rocket's Hard Truth Absent
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 Absent
222. Science Road Absent
223. 0 Absent
224. In Space Absent
225. Docking Absent
226. Giant Step Appears
227. It Was You Pictured
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


  • Kinro's name can be translated as "golden wolf" as it contained the kanji for Gold ( Kin) and Wolf ( ). This ties into Ginro's name, which means "silver wolf".
  • Kinro's birthday is 7/9, which is the atomic number for gold (79).
  • The scar on Kinro's cheek disappears frequently, only to reappear on random panels as early as the Village Games arc. By the time Kinro gets petrified the first time, his scar seems to have fully 'healed'.
  • Kirisame appears to have a crush on Kinro, which he may not be aware of.
  • Kinro is the second most popular hunk amongst the villagers.[25]


  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 44
  5. Dr. Stone Manga: Volume 19 — Extras
  6. Dr. Stone Manga: Chapter 103, Page 15, Kinro is petrified along with majority of the Perseus Crew.
  7. Dr. Stone Manga: Chapter 125, Page 12, Kinro is revived by Senku
  8. Dr. Stone Manga: Chapter 191, Page 19, Kinro is petrified along with the rest of Corn City.
  9. Dr. Stone Manga: Chapter 206, Page 5, Kinro is revived in Corn City.
  10. 10.0 10.1 Dr. Stone Manga: Chapter 17, Page 17
  11. Dr. Stone Manga: Chapter 87, Page 16
  12. Dr. Stone Manga: Chapter 21, Page 11
  13. Dr. Stone Manga: Chapter 23, Page 5
  14. Dr. Stone Manga: Chapter 19, Page 5
  15. Dr. Stone Manga: Chapter 28, Page 19
  16. Dr. Stone Manga: Chapter 17, Page 19
  17. Dr. Stone Manga: Chapter 19, Page 7
  18. Dr. Stone Manga: Chapter 27, Page 13
  19. Dr. Stone Manga: Chapter 25, Page 9
  20. Dr. Stone Manga: Chapter 35, Page 16
  21. Dr. Stone Manga: Chapter 22
  22. Dr. Stone Manga: Chapter 36, Page 18
  23. Dr. Stone Manga: Chapter 25, Page 10
  24. Dr. Stone Manga: Chapter 35, Page 18
  25. Dr. Stone Manga: Chapter 22 — Q&A

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