わくわく's Manga

dude has the ability to see ghosts. he's often scared shitless of them. one day he meets a random guy that claims they were fated to meet. this encounter causes dude to be dragged around solving paranormal cases for people.

Dude works summer at a grape farm in Australia and was supposed to go with the manager to an event but ended up going alone. because he was alone, dude gets drunk and ends up having sex with pianist celebrity that was supposed to play at the event. Once sober he realizes his mistake and flees back to Korea. Pianist celeb needs him as inspiration to play piano well so he chases him to Korea.

Dude is part of a program that exposes improper education systems, including students who bully and teachers that abuse their authority.