Miho grew up with Ippei taking care of her, and even though she has a boyfriend, she still expects the same treatment, she doesn't want to change her relationship with Ippei, deep down she's in love with Ippei, she got seduced by a confession, she's really missing being with him, that's why she showed up at his home before going home herself.
(❤´艸｀❤)◑﹏◐§(*￣▽￣*)§(ಥ _ ಥ)^_____^

僕あんまり怒らない人なんすよ(自称)でもこれはキレるね最低限の感謝はしないと人間関係うまくいかないよ

あれ？これってYO！
気を引きたくてちょっかいかけてきてるパティーンなんじゃねーの？
アッアッアッ😎

なんか…この幼馴染のどこに惚れてたんだろう

ありがとうも言えないのか