100 random women VS my friend's woman, which one would you sleep with? Gun-woo and Tae-cheol have different stances. Every night, Gun-woo enjoys sleeping with different women but Tae-cheol dreams of sleeping with the woman he's had a crush on for 10 years. However, Se-yeong loves Gun-woo. Tae-cheol finds out Gun-woo also has feelings for her and tries to give up but he finds himself more and more drawn to her.
| Actor | Role |
|---|---|
| LLee Joon-gyooNot listed | Not listed |
 Ko Chan-wooNot listed | Not listed |
| MMoon Bo-ramNot listed | Not listed |
| KKim Ye-jiNot listed | Not listed |
| LLee Si-anNot listed | Not listed |
 Park Ha-yanChae-ah [Cameo] | Chae-ah [Cameo] |
 Jeon Ji-hakMiddle-aged Man [Cameo] | Middle-aged Man [Cameo] |