This work features a shocking storyline where swimming club advisor Mitsuki-sensei is forced into a lewd competitive swimsuit due to students' resentment and subjected to a round● at the poolside. Mitsuki-sensei's nice body stands out in the competitive swimsuit, and the scenes covered in lotion and her voluptuous, swaying breasts are irresistible. Particularly, the scene where she is taken from behind is full of eroticism, making this a work with many highlights. Moreover, Mitsuki-sensei's encouraging words, 'Everyone, do your best,' are inexplicably erotic, ensuring excitement. Her gorgeous body and the group play match perfectly, resulting in a wonderfully crafted piece.