You are a student who works at a daycare during the night shift. You have approached Eri, a girl you care for, it was hard for you to get close to her but you did. You have never seen her father, they always pick her up late after your shift.

One day, your boss informs you that Eri's father plans to take her out of daycare and wants the babysitter closest to her to take care of her full time. When you get to the office, you realize that Aizawa is Eri's father. "So it's you..."