Lee Sung-kyung
Song Ha-ran
Series
Watch In Your Radiant Season (2026) Online
Synopsis
“Some seasons change you forever.”
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
Season 1
PreviousNext
1. Episode 1Now viewing2026-02-201h 9m9.0Seven years after a lab explosion, Chan returns home for work and unexpectedly meets Haran again.
2. Episode 22026-02-211h 7m8.8Chan sees that Haran is frozen in winter and suggests a three-month trial friendship.
3. Episode 32026-02-271h 7m10.0Haran rejects Chan's three-month friendship offer, but Chan is undeterred.
4. Episode 42026-02-281h 8m10.0As Chan and Haran grow closer, a mysterious sound begins to haunt him, revealing gaps in his memory.
5. Episode 52026-03-061h 12m8.0Chan and Ha-ran find a Gyeongju escape but a resurfacing memory puts Chan in a brewing storm. Unbeknownst to Ha-ran, Chan is drawn into a brewing storm.
6. Episode 62026-03-131h 8m10.0Chan's sudden exit for the U.S. leaves Ha-ran reeling. As longing sets in, the three sisters clash and Na-na faces an unexpected incident.
7. Episode 72026-03-141h 12m10.0Chan and Ha-ran reunite after his U.S. return. At a SHIM party, their bond grows while Chan starts recording his resurfacing memories.
8. Episode 82026-03-201h 5m10.0Ha-ran helps Chan reveal his father's watch secret. After their reconciliation, Ha-ran wins an award but meets a shocking face at the ceremony.
9. Episode 92026-03-211h 8m10.0Chan's unintentional lie about the fountain pen weighs on his conscience. To stay close to Ha-ran, he must decide if the truth is worth the risk.
10. Episode 102026-03-271h 5m10.0Chan's envy of Su-jin and Ha-ran grows. As Ha-ran celebrates Chan’s birthday, she moves past her "winter" while Nana makes a choice in Chuncheon.
11. Episode 112026-03-281h 7m10.0Ha-ran, who learns Chan's secret from seven years ago through the "1-Inch of Memory" notebook, falls into confusion upon realizing that even the fountain pen was a gift he had prepared.
12. Episode 122026-04-031h 11m9.0
Cast
Top Billed Cast
Chae Jong-hyeop
Sunwoo Chan
Han Ji-hyeon
Song Ha-yeong
Kwon Hyuk
Yeon Tae-seok
Oh Ye-ju
Song Ha-dam
Kim Tae-young
Cha Yu-gyeom
Lee Mi-sook
Kim Na-na
Kang Seok-woo
Park Man-jae
Jung Hae-kyun
Sunwoo Seok
Kang Ae-sim
Kim Seon
Ki Hyun-woo
Baek Seung-gyu
Lee Seung-yeon
Jeon Pu-reum
Yun Chae-bin
Kim Sol
Availability
Where To Watch Legally
Stream
Disney Plus
HuluStreaming availability data provided by JustWatch.
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FAQ
Frequently Asked Questions
Is In Your Radiant Season available to watch online?
Yes - see the "Where to watch legally" section on this page for streaming, rental and purchase options.
How many seasons does In Your Radiant Season have?
In Your Radiant Season has 1 season and 12 episodes.
When did In Your Radiant Season first air?
In Your Radiant Season first aired in 2026.
Is In Your Radiant Season still running?
In Your Radiant Season's status on TMDB is: Ended.
What genre is In Your Radiant Season?
In Your Radiant Season is classified as Mystery, Drama, Family.