"Ah ... Momo ... No ..." "Hah ... Nagi-chan's thighs are so cute..." Voyeurism, Muriyari, and back work!? I can't escape from the instructor's crazy love that repeats completely out of words and actions. Nagi, a home designer who is not good at "glittering people". When my cousin who was worried about his daily unhealthy condition got a coupon for a personal training gym and went to the experience reluctantly, the refreshing handsome Sena who gives off a moteora will be in charge. And Nagi, who was strangely liked by Sena, decided to take an eccentric approach. Even after training, his fingers got into his pants... "I have to rub it in here too."