Leaves Dancing on a Melody

Seol Ipsae, who is as light as a fluttering leaf, lives his life with the motto of pleasure and ease. Suddenly, an engineering nerd named Jeong Haneum falls right into his life.
Thinking 'He's such a total nerd', he found out that the guy was perfect in every way. His personality, looks, physique… and most importantly, even his XX…!!!