If you moan out of pleasure, you'll definitely be discovered. Shameful, silent rape. Minami Kojima SSNI-244

A schoolgirl in uniform, assaulted by a pervert… desperately tries to suppress her screams, fearing being labeled a “pervert,” yet experiences intense pleasure and gushing vaginal fluids… She is silently raped on the train, in the library, and in the classroom after school, desperately wanting to cry for help… but instead experiences intense, convulsive orgasms…