Summer; the sunny, fun and hot season has came. Choi Hayun; just a sunshine girl, enjoying her summer holidays until ..one day she unexpectedly stumbled upon on a boy named, Nishimura Riki at a skate-rink when her friend took her to there. What will their first impression be? In such a beautiful season, wouldn't it be sooo easy to fall in love? Will they meet again even when summer's over?

"You are our soulmate " "I have seven gorgeous soulmates ,I am damn lucky"

In Choseon University, there's a famous myth that if you made an eye contact to the guy who's wearing a black hoodie, that's your last chance to see the sunrise.

A typically high school romance story. Well that was until a mass suicide occurred along with many homicide and other unexplained deaths.