어느날 갑자기 첫번째 이야기: 2월 29일
- Xyoo: 2006
- Ncig Teb Chaws: South Korea
- Genre: Horror
- Studio: CJ Entertainment
- Cov ntsiab lus: murder, doppelgänger, leap year
- Tus Thawj Coj: Jung Jong-hoon
- Pov Pob Tseg: 박은혜, Baek Eun-jin, Yoon-jeong Choi, Myeong-jin Lee, 임호, Lim Hyun-kyung