Taiju and Yuzuriha flee from Tsukasa while taking Senku with them. It is discovered how Senku survived his first days after being freed from petrifaction.

Senku helps Kohaku bring hot water back to her village for her ill sister. Kohaku tells Senku about her village and that it has forty people. Senku is told he cannot enter the village. Senku explains to Chrome about the history of mankind.