Kanojo ga Senpai ni Netorareta node, Senpai no Kanojo wo Netorimasu

Isshiki Yuu is a first-year college student with a girlfriend named Mitsumoto Karen. He discovers that Karen had a romantic encounter with her senior, Kamokura Tetsuya. Upset, Yuu turns to Kamokura's girlfriend, Sakurajima Touko, who is known as the most beautiful girl in the institute. He asks her out on a date, but she refuses, stating that she cannot be deceived and aims to drive her rival into despair. Her strategy involves deepening her relationship and ultimately breaking Yuu's heart by being with another man.