The only one who doesn't know is Masami Ichihara! Surrounded by all the schemers, she tries to maintain her composure while enduring the sudden erotic prank. However, her body is quickly KO'd and the eroticism seeps into her expression, with occasional moans leaking out, a tide gushing from her crotch, causing her body to twitch and climaxing wildly! Even so, her desperate attempt to endure and hide it until the end is indeed erotic in one word!
