A tight one-piece swimsuit hugs her big ass, making it impossible for those who love butts not to fall for it. Tsubasa is a housewife whose husband often works long distances, leaving her with few opportunities for sex each year. She has been feeling frustrated due to the heat wave and when the air conditioner breaks down... During the repair work, she becomes aroused by the sweaty men surrounding her and decides to indulge in their desires. After satisfying her temporary craving, she finds herself unable to forget about other men besides her husband and starts using her body-hugging tight one-piece swimsuit to seduce them. Note that the contents may vary depending on the recording method.