Synopsis: Nijou Kachou no Nakaiki Kaihatsu Lesson ~S na Shigeki ni Amaku Shibireru~

Buổi học khai phá "điểm khoái cảm" của trưởng phòng Nijo ~Cảm xúc tê tái ngọt ngào trước sự kích tình cấp S~ / Learning to Cum With My Boss: Crazy Orgasms Galore / Nijou Kachou no Nakaiki Kaihatsu Lesson / 二条課長の中イキ開発レッスン / 二条課長の中イキ開発レッスン～Sな刺激に甘く痺れる～ / 과장님과 황홀한 둘만의 레슨 Tsubasa Mizuki works in a major company, but her co-worker and boyfriend tells her during sex "I lost my hard-on because you're not into it" and treats her coldly. Tsubasa feels down because she's happy with the way things are even if she doesn't cum during sex, so she listens to the advice of a friend and buys a cute adult toy to train her body with. However, it's found out by her boss...?! The sweet words of Tsubasa's boss and his sadistic foreplay makes her body shiver all over like it's never done before...!