KTRA-576: 優等生の幼なじみはとっても負けず嫌い！だからバカにされるとエッチな事だって一生懸命ガンバっちゃいます！ 和久井美兎

- A childhood friend who is an honor student is very competitive and hates to lose! That's why when you're made fun of, you'll do naughty things hard! Miusa Wakui