A h school girl named Kotoko Aihara’s love letter has been rejected by her crush, a genius with an IQ of 200 and a sports champion who’s popular with all the girls - Naoki Irie. As if Kotoko's luck wasn't bad enough, shortly after her house gets destroyed by an earthquake and she has to find somewhere to stay. Her father reaches out to a good friend to help them out but by some twist of fate her father's friend is... Naoki Irie's father! First she got rejected and now she has to live under the same roof as her crush who rejected her! Will Kotoko’s luck finally turn around?