Isekai Maou to Shoukan Shoujo no Dorei Majutsu - Volume 1 Chapter 2.03

Su Xiao is a cold-blooded teenager who’s seeking vengeance for the death of his family, yet things ended up badly for him.

As he was taking his last breaths, he heard a voice calling him from dimensions, it was a strange system reaching him, asking him if he wanted to be saved, to be Reincarnated.

He just needed to accept a contract, Su Xiao didn’t have any choice but to do so, but he didn’t know what he signed up for!!

Traveling through worlds, doing extremely dangerous missions, collecting special items, leveling up, and even killing Protagonists…

But Su Xiao wasn’t any ordinary Contractor, Su Xiao was a Hunter!

The MC crosses over to: One Piece, Tokyo Ghoul, Naruto, Fullmetal Alchemist, Attack on Titans…

- Description from Novelupdates

Zhang Xiao Qiang is a nobody in this apocalyptic world with danger lurking everywhere, he is forced to wander around and learn the rules and principles to survive. Over the course of time, Zhang Xiao Qiang’s character and laziness slowly wore away from the experiences he faces. Zhang Xiao Qiang becomes more resilient, of course also gaining power whilst watching the lunatics of the apocalypse trampling on everything they could trample on. Zhang Xiao Qiang always maintained a bit of conscience in him. He never had the thoughts of being a hero, yet he doesn’t mind sharing bread from his plate. Zhang Xiao Qiang will continue to live in the cracks of the apocalyptic world until the crack can no longer hold him.

The constant mission is getting redemption.

Shuttle though various worlds to become a variety of scum men, do a little whitewashing and become a good man in the eyes of everyone.

Redeem those who are miserable, and let them live a happy life.

- Description from Novelupdates

My old man pointed to the flower-like woman and said, "Call her mother from now on." He then pointed to a flower-bud-like girl and said, "This is your little sister."