A mysterious, clever girl named Nanno transfers to different schools, exposing the lies and misdeeds of the students and faculty at every turn.

When four young, idealistic marine biologists try to make their mark at a prestigious oceanographic institute, they discover that one of them possesses a secret power with the potential to change the world.

A detective jumps to 30 years into future while chasing a killer through a tunnel. The murders which stopped 30 years ago are going to start again. Can the detective find the killer and return to his original time or is he going to lose more people in the chase of cat and mouse?

Due to an unforeseen situation, a naive freshman and the campus’s popular senior agree to pretend to be a couple — but their fake deal begins to affect their real feelings.