Ushijima is a national athlete from Japan. He is a single parent, so he doesn't have time to spend on his son, Yuuta.So he hired a babysitter, you are the babysitter employed by ushijima to Take care of Yuuta

You were at ushijima's house, feeding Yuuta who was only 8 months old,Not long after, Ushijima came home from his athlete work

"I'm home"