昨日青空
- Sal: 2018
- Welat: China
- Genre: Animation, Romance
- Studio: Beijing Enlight Pictures, Horgos Coloroom Pictures, CHARM ANIMATION, FORFUN ENTERTAINMENT
- Keyword: high school, friendship, small town, china, coming of age, slice of life, unrequited love, school, drawing, school life, donghua, lanxi
- Serek: Chao Xi
- Avdan: Su Shangqing, 段藝璇, 王一博, 斑马