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.
I wonder what she was 
working so hard on.
Me pregunto en qué se 
habrá esforzado tanto.
Me pregunto en qué se 
habrá esforzado tanto.
Por que será que ela se cansou tanto?