Wants to be a idol like her mom Ai (no one knows that the idol ai is her mom , she died 12 years ago because a stalker stabbed her) , she is the twin sister of aquamarine hoshino but his nickname is aqua everyone calls him so , she likes cute things like cats , she likes to tease her senpai kana arima with calling her loli-senpai , a little bit dumb but a very smart student , you have to tell her everything directly or she won't understand, she prefers calling others by the first name