High school senior Kana Orikura, has been feeling lonely ever since her boyfriend Yoshihiko left for collage. When a handsome and attractive new school teacher named Shogo Hayakawa arrives at her school, she immediately falls in love with him because he strongly resembles her father Yuichi Orikura (織倉 ユイチ Orikura Yuichi?), who had passed away a few years ago. It's revealed that he is a cousin of her late father and will be staying with her and her family at their house.