14-year-old Eun-hee moves through life like a hummingbird searching for a taste of sweetness wherever she may find it. Ignored by her parents and abused by her brother, she finds her escape by roaming the neighborhood with her best friend, going on adventures, and exploring young love.
| Actor | Role |
|---|---|
 Park Ji-huEun-hee | Eun-hee |
 Kim Sae-byukYoung-ji | Young-ji |
 Seol Hye-inYu-ri | Yu-ri |
 Jung In-giEun-hee's Father | Eun-hee's Father |
 Lee Seung-yeonEun-hee's Mother | Eun-hee's Mother |
 Park Soo-yeonSu-hee | Su-hee |
 Son Sang-yeonDae-hoon | Dae-hoon |
 Kil Hae-yeonYoung-ji's Mother | Young-ji's Mother |
 Kim Mi-hyangHead of an Academy | Head of an Academy |
 Lee Sun-juJi-wan's Mother | Ji-wan's Mother |
 Park Seo-yunJi-sook | Ji-sook |
 Lee Jong-yoonStationery Store Owner | Stationery Store Owner |
 Park Yoon-heeHomeroom Teacher | Homeroom Teacher |
 Kim Jong-gooNew Seoul Medical Center Doctor | New Seoul Medical Center Doctor |
 Yoon Tae-heeHospital Patient | Hospital Patient |
| HHyung Young-sunUncle | Uncle |