H01794 Pet Life: Shizumori Blackmailed Over Underwear Photo

Shizumori is a young woman whose underwear is switched into the wrong locker after a gym class, leaving her without underwear for the rest of the school day. When she returns to the locker room, Ozaki is there smelling her underwear, and he takes a photo of her bending over with nothing underneath. He uses the picture to blackmail her into having sex with him.