Serina Tachibana steps into an exclusive, referral-only luxury beauty salon introduced by a friend. However, she finds herself in an unimaginably bizarre environment. Women receiving treatments are enveloped in unprecedented, dangerously pleasurable experiences, climaxing repeatedly one after another. This shocking sensation gradually takes control of their minds, eventually drowning them in pleasure until they transform into nothing more than flesh consumed by desire. Serina too, drawn into this overwhelming craving, finds herself walking a path from which there is no return...