​Yuki, a responsible tutor, finds herself in an unexpected situation when three college students – Ryo, Ri, and Koji – take advantage of their study sessions. Bound and gagged, Yuki is unable to resist as they explore her deeper desires. These students, eager to “study,” bring out their own toys to tease her body. Despite Yuki’s initial resistance, her face flushes crimson as her body succumbs to their control, discovering new pleasures along the way. Witness the intense struggle between domination and pleasure in this captivating episode of adult animation.​