Masaki wants to deliver the chocolate she painstakingly made for Valentine's Day.
Just as she is about to approach Shun after school, a girl from another school stops Shun with her own chocolate and a confession.
After witnessing the event, Masaki tries to leave, but Chizuru notices and chases after her.
What happened after that girl...
¿Qué ocurrió después de que
¿Qué ocurrió después de que
O que aconteceu depois 
que aquela garota...