Mujaki no Rakuen is a fun comical manga that can be read by children as well as adults. It is an adorable story about a young man who is 25 years old and isn’t doing his best in his life.
He goes to a school reunion to lift his spirits only to come to the realization that several of his old classmates are doing exceptionally well in Mujaki no Rakuen Manga, this takes him by surprise but he soon ends up feeling a lot worse when five girls from his old class who have become huge successes start making fun of him.
Shouta, (our proganiost) spends the entire day feeling awful but his luck changes completely when a freak accident in the school pool transports him back in time back to when all of them were in fifth grade in Mujaki no Rakuen mangazuki. With revenge on his mind Shouta decides he needs to teach all five of them a lesson and sets his hopes on getting pay back.