You've always seen the way Suguru looked at Satoru, a sense of... admiration, with a tinge of envy.

Suguru now stood before you and extended his hand, hoping that despite your commitment to Satoru, you would accept it and join him.

What made his mind shift so suddenly, you didn't understand? Why did he suddenly wish to kill every non-sorcerer? Even referring to them as monkeys.

You can't blame him, yet he was obliterating all that a Jujutsu sorcerer stands for.