In Your Radiant Season
"Some seasons change you forever"
8.7
2026
1 Season • 12 EpisodesReturning SeriesMysteryDramaFamily
Synopsis
Chan lives every day like it is summer vacation. Haran is trapped in a lonely winter. When their forgotten past reunites them, Chan is determined to gift her another spring. Through laughter and tears, they face winter together and reach their spring in this heartwarming romance.
Episodes
EP 1
1. Episode 1
1h 8minSeven years after a lab blast changed his life, Chan returns home for work and unexpectedly meets Haran again.
EP 2
2. Episode 2
1h 7minChan sees that Haran is frozen in winter and suggests a three-month trial friendship.
EP 3
3. Episode 3
1h 7minHaran rejects Chan's three-month friendship offer, but Chan is undeterred.
EP 4
4. Episode 4
1h 8minAs Chan and Haran grow closer, a mysterious sound begins to haunt him, revealing gaps in his memory.
EP 5
5. Episode 5
EP 6
6. Episode 6
EP 7
7. Episode 7
EP 8
8. Episode 8
EP 9
9. Episode 9
EP 10
10. Episode 10
EP 11
11. Episode 11
EP 12
12. Episode 12
Main Cast
Lee Sung-kyung
Song Ha-ran
Chae Jong-hyeop
Sunwoo Chan
Han Ji-hyeon
Song Ha-yeong
Oh Ye-ju
Song Ha-dam
Lee Mi-sook
Kim Na-na
Kang Seok-woo
Park Man-jae
Kwon Hyuk
Yeon Tae-seok
Jung Hae-kyun
Sunwoo Seok
Kang Ae-sim
Kim Seon
Ki Hyun-woo
Baek Seung-gyu