​Shizumori finds herself in a compromising situation when her underwear is accidentally swapped in the school locker room. Left without any underwear for half of the day, she eventually retrieves her bra but is startled to discover Ozaki, a classmate, sniffing her garments. In a cruel turn of events, Ozaki throws her underwear on the ground, leading Shizumori to bend down and unknowingly expose herself. Seizing the opportunity, Ozaki captures a candid photo, labeling Shizumori an “exhibitionist” and using it to blackmail her into engaging in a sexual relationship with him. This unexpected twist takes Shizumori on a captivating journey of forbidden desires and dangerous liaisons.​