Kirishima is a first-year student, because his school values club activities, he needs to quickly join a club. Kirishima doesn't know what to do, so he's trying to figure out where to join when teacher Hatano appears. Kirishima immediately falls in love with her. Teacher Hatano invites him to join the swimming club, where she is an advisor. Wanting to get closer to her, Kirishima agrees. Since it's just the two of them in the club, they have private time at the pool. Teacher Hatano starts teaching him how to clean the pool, accidentally getting water on herself and revealing her underwear, which Kirishima can't take his eyes off.JUQ-237 The male freshman learns to swim to... have sex with the teacher However, he notices that she wears a wedding ring, which disappoints him. In the following days, he avoids the pool. Seeing this, teacher Hatano goes to his class to find him and brings him to the pool for punishment. Seeing her in a swimsuit, Kirishima can't control himself and ends up making a move on her. In reality, Hatano hasn't been intimate with her husband for a long time, so when Kirishima satisfies her repeatedly, she starts to be conquered by him. And their twisted relationship begins from there...
