The writing is incompetent
The story of the little angel Jinmu's character bursting out, catching up with the last wave of time travel, getting the system and starting his path to dominance, and by the way, he gained a zero child.
Zero: Humph, you weakling... It's time to exercise
The little angel of gold and wood smiled, put down the book, took off his blindfold, and fully turned on his blackness.
······
Zero gritted his teeth: Let go! ! !
Kaneki smiled and said, "No, I need to continue training~~"
Character breakdown