Osananajimi ga Zettai ni Makenai Love Comedy

Kuroha Shida, one of the most popular girls at Hozumino High School, and Suehara Maru were childhood closest friends. Kuroha is the ideal older sister type since she is adorable, extroverted, and loving. Boys are continuously pleading to be with her at her feet. Suehara, however, rejects her right away once she confesses to him one day because he simply cannot think of her in that way. In addition, he already has Shirokusa Kachi in mind, his first love and the celebrated author who was his school idol. After a fateful encounter, Suehara thinks he has a chance with Kachi, but he soon learns that Kachi has a boyfriend! Suehara laments about what may have been as his hopes are now dashed. That is, until Kuroha comes up to him and says, "Let's exact revenge."