New pharmacist Rumi (24), a bright, science-type girl with glasses and a big ass. She hasn't had a boyfriend for about five years and masturbates a lot to AV, secretly horny. A pervert who's even masturbated in the lab. She applied because she's interested in AV and wants to have sex. ・Extremely erotic nipple-focused climax with rock-hard, erect big nipples ・Vibrator (電マ) stimulation while still wearing tight work panties, deep kissing ・While sticking out her big ass.