These normally serious girls are secretly obsessed with sex. Through erotic sex education, they're transformed into sex slaves. Meet the obedient big-breasted masochistic beauty Sena, the slender F-cup beauty Mai, the sensitive G-cup beauty Moni-chan, and the insanely sexy I-cup beauty Yuri. Watch their transformation from shy to slutty, and the escalating BDSM play that turns these ultra-sensitive masochistic girls into extreme perverted sluts. "Please ruin me..."
