2D: Team up and Fight? I'm Professional

Adhering to the great belief of benefiting people and saving the world. Yunmusi was born in the original world due to human hopes and fantasies. With the hope of the only remaining people, Yunmusi wandered around various fantasy worlds, working hard to study unknown creatures and learn incredible knowledge of technology and magic. Zombies, viruses, mechas, monsters, cosmic beings... Are all his hunting targets. But before that, how to live is the biggest problem. Life and death combat, secret assassination, disguise, system hacking, gun sniping, poisoning, and armed blasting. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.