A perverted lesbian woman eyes up a couple's woman at a hot spring inn. Pretending it's a coincidence, she joins them in the bath, assuring her target that "since we're both girls" and lightly touches her body to check her reaction. She further excites her with breast rubs and kisses, then sneakily inserts a vibrator into her pussy while they're in the bath, forcing her to submit! After making her fall for lesbianism, she gives her an aphrodisiac and toys with her using a double-headed dildo...
