Senku vs. Tsukasa (千空VS (バーサス) Senkū Bāsasu Tsukasa) is the ninth chapter of the manga Dr. Stone.


The smoke signals can be seen. To do more, Taiju sets out to find wood. Meanwhile, Tsukasa, who has located their location from one of the signals, attacks Yuzuriha with his blade. He threatens Senku to cut her throat if he doesn't tell him the recipe for the revival. Although Senku claims not to be interested in the life of "this woman", Tsukasa sees through his attempt and cuts her hair off.

Despite this, Yuzuriha holds the spear to her necks and encourages Senku to allow her death to keep the recipe of the revival secret. Senku doesn't obey and enumerates every ingredient for the formula.

The other survivors, of whom Senku, Yuzuriha and Taiju were hoping, respond with two more signals.

Tsukasa is pleased that he got the formula and releases Yuzuriha. Tsukasa then suggests that if Senku stops progressing humanity's scientific civilization, he won't have to kill him.

Yuzuriha screams for Taiju. He storms to his friends.

Characters in Order Appearance


  • Kohaku's silhouette is shown. Her name isn't known in the chapter yet.

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[v  e]
Chapters and Volumes
Volume 1 1234567Extras
Volume 2 89101112131416Extras
Volume 3 17181519202122232425Extras
Volume 4 262728293031323334Extras
Volume 5 353637383940414243Extras
Volume 6 444546474849505152Extras
Volume 7 535455565758596061
Volume 8 626364656667686970
Volume 9 717273747576777879
Volume 10 808182838485868788
Volume 11 899091929394959697
Volume 12 9899100101102103104105106
Volume 13 107108109110111112113114115
Volume 14 116117118119120121122123124
Volume 15 125126127128129130131132133
Volume 16 134135136137138139140141142
Chapters not yet in tankōbon format 143144145146147148149150151152153154155156157158159160161
v  e
Arcs & Sagas
Prologue Saga
Stone Formula Arc
Chapters 1234
Episodes 12
Vs. Tsukasa Arc
Chapters 56789101112
Episodes 345
Ishigami Village Saga
Kingdom of Science Arc
Chapters 131415161718192021222324252627282930313233
Episodes 5678910111213
Village Games Arc
Chapters 34353637383940
Episodes 131415
Village Origins Arc
Chapters 4142434445
Episodes 1617
Stone Wars Saga
Vs. Hyoga Arc
Chapters 4647484950
Episodes 1819
Communications Arc
Chapters 5152535455565758596061626364656667686970717273747576777879808182
Episodes 2021222324
Source of the Petrification Saga
Age of Exploration Arc
Chapters 8384858687888990919293949596979899 100
Treasure Island Arc
Chapters 101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138
The Truth of the Petrification Saga
New America City Arc
Chapters 139140141142143144145146147148149150151152153154155156157158159

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