Kao dake Ii Classmate ga, Yatara to Guigui Kuru Yuri no Hanashi.

Ritsu Kaido has a boyfriend, whom she is dating just because they're both members of the popular crowd. On a summer day, she and her boyfriend were about to celebrate their one-year anniversary, her classmate Tsuzuri Yarai sees them about to kiss and intervenes......? The story is about an ordinary