Yoon Bong receives a breakup notice from his wife because of premature ejaculation. Yoon Bong's junior Hae-seong said that it was his special experience. Introduce them. A beauty salon that provides services with bikinis. Yun Bong finds his senses little by little there. With the efforts of Hyun-joo and Min-hee, Yun Bong cures premature ejaculation. So-yoon, his wife, is also happy to see Yoon Bong, who has returned as before.

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Peaceful boarding house. One day, an American young man Smith enters as a new boarding student. The female boarders Yura, So Yeon, and Hye Jeong joke about Smith’s size and are anxious to flirt with each other. Smith fell into the temptation of female boarders… Watching this scene, Hyuk Joo and Myung Soo are jealous and demand that Smith go out… ​