Aihara Kotoko is a lagging Class F student at the High School Annex of Tonan University, who has a crush on Irie Naoki, an outstanding Class A student rumored to have 200 IQ. She decides to profess her love to him, and hands him a love letter. But he rejects her outright with a simple "No thanks." Kotoko with a wounded heart moves to a new home with her father, but the house gets destroyed by a meteorite. Because they have nowhere to go, she moves in with her father to his best friend's home.  However ...
The probability of getting hit by 
a shooting star is one in ten billion.
La probabilidad de que te golpee una estrella fugaz
 es de uno entre diez mil millones.
La probabilidad de que te golpee una estrella 
fugaz es de uno entre diez mil millones.
Il y a une chance
sur dix milliards
A probabilidade de ser atingida por uma 
estrela cadente é de uma em dez bilhões.