Tsukasa has learned about the cave where the nitric acid is collected. The race is on between Senku and Tsukasa to restore humanity in their respective visions.
The strongest primate 
high-schooler, Shishio Tsukasa.
.أقوى تلميذ ثانوية بدائي، شيشيو تسوكاسا
Der „stärkste Oberschul-Primat
aller Zeiten“, Shishiō Tsukasa!
El estudiante primate más fuerte,
Tsukasa Shishio.
El estudiante primate más fuerte,
Tsukasa Shishio.
« Le lycéen le plus fort
de l’ordre des primates »,
"Lo studente più forte tra i primati"!
O mais forte primata do Ensino
Médio, Tsukasa Shishio!
Сильнейший примат среди
школьников, Цукаса Сисио!