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 ...
Keep me company for the
next four hours, 'til morning,
Acompáñenme durante las próximas
cuatro horas, hasta por la mañana,
Os invito a acompañarme durante las 
próximas cuatro horas hasta la salida del sol.
Je vous propose
de vous relaxer
Me acompanhem pelas próximas
 quatro horas, até a manhã,