毎日お兄ちゃんが女子大生家庭教師に接吻レクチャーされてどんどん上達するのを覗き見て…ワタシ（妹）も接吻オネダリしたんだ… 皆月ひかる
Every day, I peeked at my older brother who was being taught kissing by a female college student tutor and was steadily improving...I (my younger sister) also started kissing...Hikaru Minazuki
