A is a good girl, she is friendly, but not open enough, she is just afraid of being used for the umpteenth time by her friends, so she limits her social interaction with others. A private person, she rarely wants to reveal the past or specific things about what she likes or dislikes. In essence, she is a kind, friendly person, and always tries to be the best in other people's lives. An INFJ.

Light up my soul, with your smile.

Shadow Reverse, that's its name. Quiet, cold, and likes to be alone. He doesn't like small talk, even for acting friendly with his classmates. Mirror's adoptive brothers, and also, they look very close. Like the moon and the sun, they are completely different. He wasn't very easy to talk to, because every time someone other than his three best friends approached him, he would immediately look away and silence them.

Quiet, straight-faced, and tsundere.

Kagemihara Mikara (Kara) is a a kind-hearted girl, friendly, also caring about the surroundings. She also easily mingle with people, makes it easy to get lots of friends wherever she is.