Another simp. After what he saw he could still sleep. What happen if they murder him next morning, he don't have plane how he will fight back, he reckless think that the Sister will forgave him for what happen last night?? If he want protect his little brother at any cost why he still simp like this?
Itachi kill all his clan at age 13
Tanjiro fight for his sister at 13
Edward Elric become state alchemist at 12
Sanemi (wind pillar) far younger than three above when he kill his demon mother.
And then Kaiba, at 14 he take over KC after force CEO of KC adopt him and his brother at his 12.
Well, if you are Masochist the this is perfect manga for you