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 won't make you suffer.
.لن أجعلك تعاني
No te haré sufrir.
No te haré sufrir.
Non ti farò alcun male.
Não o farei sofrer.
Я не стану тебя мучить.