Sun is een schuchter meisje van 10. Hoewel ze haar best doet om er bij te horen op school, wordt ze door iedereen aan de kant geschoven. Ze is altijd de laatste die gekozen wordt bij een spelletje en ook telkens de eerste om er uitgespeeld te worden.
Nee, helaas is U-ri-deul nog niet beschikbaar op Netflix in Nederland.
| Directing | 윤가은 | Director |
| Writing | 윤가은 | Writer |
| Production | Kim Soon-mo | Producer |
| Sound | Kang Na-roo | Production Sound Mixer |
| Production | 이창동 | Producer |
| Sound | 연리목 | Original Music Composer |
| Camera | Min Jun-won | Director of Photography |
| Production | 정태성 | Producer |
| Production | You Jin-hee | Producer |
| Production | Kim Young-wook | Producer |
| Editing | 박세영 | Editor |
| Art | An Ji-hye | Production Design |
| Production | 김세훈 | Line Producer |
| Production | Kim Ji-hye | Producer |
| Camera | Kim Ji-hyun | Director of Photography |
| Sound | Kim Young-ho | Sound Supervisor |
| Sound | Go Ah-young | Sound Designer |
| Production | 제정주 | Producer |
| Lighting | Lee Si-hyun | Lighting Director |
| Sound | 배수찬 | Boom Operator |
