Akito is having a great time in college, going from one party to another. On the eve of his 20th birthday, he was looking forward to spending a fun night with a pretty girl, but he wakes up to realize he’s in a bed he doesn’t recognize! And, who does he see but his childhood friend, Izumi, approaching him! Akito is even more puzzled when Izumi tells him that they’re in their new home. A love story between a straight, happy－go－lucky flirt and his childhood friend who’s had feelings for him since preschool!