Kanojo Mochi no Ore ga, Seiso-kei Dekapai Mujikaku Dosukebe Onna ni Kokuhaku Sarete Ukkari Uwaki Shite Shimau Kanousei Aru Kamo.

Yuuto is a young man who is already in a committed relationship with his girlfriend. One day, a seemingly innocent and pure girl with a large chest suddenly confesses her feelings to him. Despite his existing relationship, Yuuto finds himself drawn to her bold and unexpectedly provocative advances. Her innocent appearance contrasts sharply with her seductive behavior, creating a confusing and tempting situation for him. As she continues to pursue him, Yuuto begins to question his own loyalty and considers the possibility of cheating, even if only unintentionally. The line between fidelity and temptation blurs as he struggles with his desires and the consequences of his actions. The story explores the internal conflict of a man caught between his current relationship and the allure of a new, forbidden connection.