Blue Birthday

Plot Summary

The series tells the story of Oh Ha-rin, who travels to the past through mysterious photos left by her first love, Ji Seo-jun. Since they were eight years old, they had been close friends, but he died by suicide on her birthday ten years ago.

Top Cast

YERI Oh Ha-rin

Yang Hong-seok Ji Seo-jun

Lee Sang-jun Cha Eun-seong

Kim Gyeol-yu Do Su-jin

Ju Hyeon Kim Ui-yeong