Ha-seon and Do-hoon, a couple who love sex, enjoy sex all the time, to the point that Do-hoon's 'stuff' breaks due to too much intense action. After the accident, Do-hoon's 'stuff' has not been as good as before, and Ha-seon is getting tired of her unsatisfactory sex life.
| Actor | Role |
|---|---|
 Do HeeHa-seon (하선) | Ha-seon (하선) |
 Woo YeolDo-hoon (도훈) | Do-hoon (도훈) |
 Ha YeonJi-seon (지선) | Ji-seon (지선) |
 Han Seok-bongTae-bong (태봉) | Tae-bong (태봉) |