Is there foul in love?

Former national swimmer Seo Han-seong, praised as a hero of the Republic of Korea. After retirement, he lived a life that no one would envy, living with his cute younger lover Lee Joo-ho. However, Han-seong had a worry that no one knew about. It's been a month since he and Joo-ho haven't had s**! If it were normal, he would be busy making love all day, but Han-seong's heart is just upset because his lover's skinsh...