An 18-year-old beauty with a tight, youthful body and an estimated 90cm bust makes her debut! Working as a swimming instructor, she boasts a stunning resemblance to actress Atsuko Aki, and performs masturbation coaching in the changing room, as well as remote-controlled vibrator training in front of her students while wearing a sheer swimsuit. Don't miss her first underwater sex scene and the consecutive bukkake shots by the poolside! Experience the thrilling cosplay scene where she takes a cock while still wearing her soaked school uniform, enhancing the realism. With detailed depictions like inverted nipples and a hairy pussy, this intense, authentic one-on-one session delivers maximum stimulation!