based on webcomic or webtoon

Over a decade after 'gates' connecting worlds appeared, awakening 'hunters' with superpowers, weakest hunter Sung Jinwoo encounters a double dungeon and accepts a mysterious quest, ...

With the aid of unexpected friends, a gifted but introverted student confronts bullies and violent foes — unaware of how dangerous his world will become.

An expelled boxing champion, who now is a high-school teacher, witnesses intolerable violence and throws her first punch to build justice against it, while putting on a mask.