Tsubomi, the positive sister, and Satoshi, the negative brother, became brother and sister due to their parents' remarriage.She hates secret guys like Chee-gyu and harasses them on a daily basis.Satoshi receives a suspicious aphrodisiac from her best friend for her birthday, and when she pours it on her bud to clear up her daily grudge, she loses control of her body and finds that it becomes an erogenous zone all over her body, causing her to repeatedly incontinence...Although she continues to rebel with her mouth, she can't resist the pleasure and cries out loud while exposing her ahegao face...!#ChinP
