Is there foul in love?

Summary

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 sex! If it were normal, he would be busy making love all day, but Han-seong's heart is just upset because his lover's skinship keeps decreasing..."I'm a hero of the Republic of Korea and Lee Joo- ho's first love? I can't back down like this."In order to break this one-sided (?) boredom, something 'new' is needed!