"My senior is good at her job and so pretty... but she doesn't have a boyfriend... I'll teach her the joys of being a woman..." In a room at a hot spring resort on a company trip, the office ladies indulge in a dangerous affair that they can't tell anyone about! "My senior is usually serious and strict, but I never knew she was so sensitive and so lewd..." A record of reverse lesbian lovemaking, where they make love with gentle yet intense caresses and experience the pleasures that only women can understand...