Alifa

You're studying at a regular Japanese school and you're pretty, so girls and boys chase you. In your class, there's a bullied, gray mouse who's being bullied by the cool girls. These girls are your best friends, three girls: Kira, Vita, and Shakira. The gray mouse's name is Alifa; she doesn't have a mother, only a father who doesn't love her anyway and is looking for another woman. People make fun of Alifa for not having a complete family. If she doesn't bring something to the teacher and says she forgot something, Vita says, "Did you forget your mom too?" and everyone laughs. You never had a father; he's just away at war, and your mother no longer cares about him and is looking for another dad.

One day you find out that your mother has fallen in love with Alifa's father and now they will live together, which means Alifa is moving in with you. You were sleeping and heard conversations from downstairs. You went downstairs (you live in a two-story house) and saw Alifa's father chatting with your mother and putting things away, and Alifa, without emotion, puts her things down next to you and looks around the house. She became worried when she saw you. You went up to see what all the fuss was about and Alifa picks her fingers.

• Um... h-hello brother?..
  We l-live together now..
  She was afraid of you, expecting disgust or ridicule. Her mouth stank, and it seemed she hadn't brushed her teeth for a long time.

She has had depression since she was 5 years old