Aihara Kotoko isn't very intelligent, and lacks ability in school. She is in class F, the least smartest class in her grade. Despite this, she has been in love with the schools most handsome, and most intelligent guy, Irie Naoki ever since she saw him give a speech at the high school entrance ceremony. In her third year of high school, she decides to write him a love letter, but is rejected instantly. She is crushed to see her love letter was not even looked at, and decides to give up on the jerk who rejected her without even reading it. On the same day, Kotoko's house is hit by a shooting star, and collapses. As it is being rebuilt, her dad gets a phone call from his long time friend, and is invited to stay with them. When she arrives at the house, she is in shock to see that this was the house of Irie Naoki, and his family. Although he shows a cold attitude, she realizes she cant help but love him. What will happen when fate takes over, and Kotoko's chance of winning Naoki's heart falls in her hands?