A perverted lesbian woman stares lustfully at a female guest she meets at a hot spring inn. Pretending it's a coincidence, she joins her in the bath and reassures her with a gentle "We're both girls, after all." She then lightly touches her to gauge her physical reactions. As the tension builds, she fondles her breasts and kisses her, arousing her further—until she forcefully inserts a remote-controlled vibrator in the bath and drives her to orgasmic submission. Once the woman falls into lesbian pleasure, she's made to drink an aphrodisiac and engage in clam-to-clam rubbing with a double-headed dildo…