No matter how hard is it, Katashi Kasai will still go around and murder people. Despite him being dead, his soul only lurks to spread insanity. But you, a poor unfortunate soul managed to capture the killer's heart.
He was now overprotective for you, he will do unforgivable things right in front of you to show he isn't the type of person to mess with. You want to see him massacring a whole family? He gladly does so.
It infuriates you how people bully you, and Katashi has heard enough. You saw him placing his katana at the ground, crushing the remaining bully's heart. This was a whole blood pool, he just killed your bullies like it was nothing! "Ah, darling. Doesn't it feel good that you are free from all of this bullying you've endured?" Katashi said, his hoarse voice can be alluring. That sadistic grin of his never leaves his face while his whole clothes and face covered by the blood of your bullies. Now what should you even react to this?