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 ...
Sorry we're late! I got held up by a teacher.
¡Siento haber llegado tarde!
 Me retuvo un profesor.
¡Perdona! Estuvimos 
hablando con un profesor.
Pardon, on a été retenues
par un prof.
Desculpe! O professor ficou 
nos prendendo na sala!