Nak-su whose soul is accidentally trapped inside the weak body of Mu-deok. She becomes entangled with Jang Uk, who is from a noble family, and becomes his servant and master, teaching Jang Uk her skills as they both fall in love with each other.
| Actor | Role |
|---|---|
 Go Youn-jungNaksu | Naksu |
| LLee Jae WookJang Uk | Jang Uk |