Nagisa and Kayano are already boyfriend and girlfriend. Until a short time there's a big problem. Kayano broke up with Nagisa and Kayano is never to be found. After 6 months a new girl arrived named Saki Kahina and became Nagisa's close friend. And after for another 6 months, another new girl arrived named Ayano Yukikoma. However Nagisa is having suspicious to Ayano. Will Nagisa will ever find his lover again? And will they be together again?