An “out-of-character” love story begins featuring a straight-A student and a popular kid!

“Do you know why my heart is tingling?” Yashima is a serious student who loves to study. He can’t stand Umino, the “idiotic popular kid” who sits next to him. Yashima secretly looks down on Umino, who makes a fuss about the most insignificant things all the time. However, Yashima sees Umino helping a parent and child at the train station. After witnessing such a selfless act, Yashima feels guilty, while also feeling a tingling sensation in his heart. The two then end up in an argument, one word leads to another, and Yashima ends up kissing Umino…?!