If he is dead, then he is dead. Why should he be reborn? Just for that one person you like? As a result, he was reborn, and then he (he) embarked on a life of seeking his wife (seeking revenge), spending every day in joy (hatred), working hard to learn musical instruments (weapons), dancing (boxing), painting (taekwondo) and various interests (challenging various limits) and finally embracing the beauty (successful sublimation of revenge)
The Dark Honkai Impact can't help who made his previous life miserable (who was the protagonist)?