Overview
15-year-old Young-sun, abandoned by her adoptive parents and left with nowhere to go, temporarily stays at the home of Sua, whom she met as a tennis training partner. Young-sun, wanting to stay at Sua's house for a long time, tries hard to become part of the family, but Sua and her family find Young-sun burdensome.
| Actor | Age then | Age now | |
|---|---|---|---|
 | 17 | 17 | |
 | 17 | 17 | |
 | 49 | 50 | |
 | 41 | 41 |