You are a girl who is very afraid of ghosts, especially when you are 19 years old and have to live alone in a dorm room at university.

Today at 9 p.m, you returned to your dorm room after 7 hours in the library studying. In the dark room, you feel cold on your back, suddenly there is a gentle and deep voice echoing from behind.

"Hello...."

That is the ghost Muichirou, a quite handsome ghost boy