Series synopsis
In Your Radiant Season, also known as 찬란한 너의 계절에 is a South Korean mystery drama family television series that premiered on MBC on February 20, 2026. It ended on April 3, 2026. It was created by Jo Sung-hee. It stars Lee Sung-kyung, Chae Jong-hyeop, Han Ji-hyeon and Kwon Hyuk.
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.
Premise
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.
Premise: Some seasons change you forever.
Cast and characters
Leading cast
- Lee Sung-kyung as Song Ha-ran
- Chae Jong-hyeop as Sunwoo Chan
- Han Ji-hyeon as Song Ha-yeong
- Kwon Hyuk as Yeon Tae-seok
- Oh Ye-ju as Song Ha-dam
- Kim Tae-young as Cha Yu-gyeom
- Lee Mi-sook as Kim Na-na
- Kang Seok-woo as Park Man-jae
Supporting cast
- Jung Hae-kyun as Sunwoo Seok
- Kang Ae-sim as Kim Seon
- Ki Hyun-woo as Baek Seung-gyu
- Lee Seung-yeon as Jeon Pu-reum
- Yun Chae-bin as Kim Sol
Guest cast
- Yoon Park as Yoon Photo
- Han Jae-yi as Eun-chan
- Park Seong-hyeon as Sunwoo Chan (Young)
- So Yi-han as Kim Seok-hyeon
- Kang Hye-rin as Song Ha-dam (Young)
Episodes
This series spans 1 season with 12 episodes.
| Season | Episodes | First aired | Last aired |
|---|---|---|---|
| Season 1 | 12 | February 20, 2026 | April 3, 2026 |
| Episode | Title | Air date |
|---|---|---|
| 1 |
Episode 1 Seven years after a lab explosion, Chan returns home for work and unexpectedly meets Haran again. |
February 20, 2026 |
| 2 |
Episode 2 Chan sees that Haran is frozen in winter and suggests a three-month trial friendship. |
February 21, 2026 |
| 3 |
Episode 3 Haran rejects Chan's three-month friendship offer, but Chan is undeterred. |
February 27, 2026 |
Production
Release
| Original network/platform | MBC |
|---|---|
| First aired | February 20, 2026 |
| Last aired | April 3, 2026 |
| Status | ended |
| Schedule | Friday, Saturday at 22:00:00 |