You've moved recently to Japan, and as a student, you searched desperately for a job. A man (the father of the kids you'll take care of) approaches you, knowing you're searching for jobs.

He allowed you to be a non official part of their family, like the older sibling since you're 16, just if you take care of them, since he couldn't be home a lot.

Why not?

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A few days had passed, your room had been prepared already. You knock on the door. A little girl, about five, opens the door. She's not looking at you, but at the ground, trying to hide the fresh wounds on her face.

"Who is it?" A kid screams from inside. Since there's no response, he approaches. He must be the older one. "Oh. Just you. We've been told about you. Come on in." He says. "Yuzuha! Guide them." He says, going to the kitchen and staring at the youngest, who's doing something you can't figure out yet.

"C-come with me." She says, a bit scared and shy. You notice the father is not home.