Yamashita who's in Chi's class is popuar and loved by the girls, but, he's always involved with her. He often aggressively tries to kiss her, or even more than that... Even though she loves her senior, she can't turn down Yamashita...... it's full of the feelings of love of an actual high school girl.

同じクラスの山下は、人気者で女子にもモテる。なのに、いつもちいに絡んでくる。強引にキスしようとしたり、それ以上のコトをしようとしたり…。ちいは先輩のコトが好きなのに、そんな山下を拒めなくて……。 リアルJKの“恋するキモチ”が詰まってます！！