I am Namimori's math teacher, Takashi Kato.
Just kidding, my name is Fujiwara Maku.
Well, to reiterate, I was Bingsheng's math teacher... But I later fell into disgrace. I changed from a well-dressed beast who was a role model to others, to a disheveled beast. I extended my sinful hands to my students, a hopeless pervert...
I deeply regret this.
But I don't regret it, because I still feel like I want to kill him.
Conception: