Blue Birthday (2021)OverviewThe 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.First airedJuly 23, 2021URL sluglets-btsGenresخيالدراماإثارةرومانسيالصورملصقخلفيةلا توجد صورةأيقونةلا توجد صورةلافتةالمواسمحلقات خاصة0 حلقاتالموسم 116 حلقاتطاقم العملالممثلونKim Ye-rim — Oh Ha RinYang Hong-seok — Ji Seo JunLee Sang-jun — Cha Eun SeongKim Yi Seo (Kim Lee Seo) — Ji Hye MinKim Gyeol Yu (김결유) — Do Soo Jin
