Tsukasa demands that Senku abandons science, but there’s no way he can do that. Tsukasa is left with no choice but to kill him.
I can't do that.
.لا يمكنني ذلك
Das kann ich nicht.
No puedo.
No puedo.
C’est la seule chose
que je peux pas faire.
Non se ne parla.
Só isso eu não posso fazer.
Уж чего-чего, а этого не могу.