Goo Bon-Seung

마법의 성

Bang Sung-Woong

Goo Bon-Seung, Kang Ye-won

Everything seems to be going right for young Sung-Bin. He's got looks, money, a good job, and a beautiful fiancee. Only one thing is missing: he can't satisfy his wife in bed. He then sets out to master all things sex so he can return home and please her.