FNS-166: After getting tipsy with her usually stern and unsmiling beautiful colleague, they head to a hotel. Despite her cold demeanor, their physical compatibility proves overwhelming, leading to a secret affair that continues every time they work overtime. Tsumugi Akari

A beautiful, stern-faced office lady, Tsumugi Akari, ends up sharing a hotel room with a colleague after a few drinks. Though she initially intends to coldly reject him, she is roughly penetrated, and the perfect fit of their bodies makes her surrender instantly. After every overtime shift, the two meet at the hotel for intense, passionate sex—her uniform pushed up to her waist as he repeatedly fills her womb with thick semen. Their secret office affair soon becomes a daily ritual.