On our way home from school we secretly film a sleeping beauty (Marina) on the train. But we're found out and end up being reverse-molested. Then Marina's crotch has a penis…? Although we escape the scene, Marina shows up at school the next day. "I never let my prey escape!" After experiencing multiple ejaculations, female orgasm (メスイキ), and reverse anal (逆アナ), we become captivated by Marina…