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In Your Radiant Season

In Your Radiant Season
★ 8.1/10•2026•PG13•Mystery•Drama
Similars

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.

Jung Sang-hee · Director

Park Seon-ho · Director

Jo Sung-hee · Screenplay

StatusEnded
LanguageKO
First Air DateFeb 20, 2026

Episodes

Episode 1 - Episode 1E169m

Episode 1

Seven years after a lab explosion, Chan returns home for work and unexpectedly meets Haran again.

Feb 20, 2026

Episode 2 - Episode 2E267m

Episode 2

Chan sees that Haran is frozen in winter and suggests a three-month trial friendship.

Feb 21, 2026

Episode 3 - Episode 3E367m

Episode 3

Haran rejects Chan's three-month friendship offer, but Chan is undeterred.

Feb 27, 2026

Episode 4 - Episode 4E468m

Episode 4

As Chan and Haran grow closer, a mysterious sound begins to haunt him, revealing gaps in his memory.

Feb 28, 2026

Episode 5 - Episode 5E572m

Episode 5

Chan 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.

Mar 6, 2026

Episode 6 - Episode 6E668m

Episode 6

Chan'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.

Mar 13, 2026

Episode 7 - Episode 7E772m

Episode 7

Chan and Ha-ran reunite after his U.S. return. At a SHIM party, their bond grows while Chan starts recording his resurfacing memories.

Mar 14, 2026

Episode 8 - Episode 8E865m

Episode 8

Ha-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.

Mar 20, 2026

Episode 9 - Episode 9E968m

Episode 9

Chan'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.

Mar 21, 2026

Episode 10 - Episode 10E1065m

Episode 10

Chan'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.

Mar 27, 2026

Episode 11 - Episode 11E1167m

Episode 11

Ha-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.

Mar 28, 2026

Episode 12 - Episode 12E1271m

Episode 12

After their trial ends, Haran learns the truth. Chan has vanished, but discovering his feelings, she goes to find him.

Apr 3, 2026

Actors

Lee Sung-kyung

Lee Sung-kyung

Song Ha-ran

Chae Jong-hyeop

Chae Jong-hyeop

Sunwoo Chan

Han Ji-hyeon

Han Ji-hyeon

Song Ha-yeong

Kwon Hyuk

Kwon Hyuk

Yeon Tae-seok

Oh Ye-ju

Oh Ye-ju

Song Ha-dam

Kim Tae-young

Kim Tae-young

Cha Yu-gyeom

Lee Mi-sook

Lee Mi-sook

Kim Na-na

Kang Seok-woo

Kang Seok-woo

Park Man-jae

Jung Hae-kyun

Jung Hae-kyun

Sunwoo Seok

Kang Ae-sim

Kang Ae-sim

Kim Seon

Ki Hyun-woo

Ki Hyun-woo

Baek Seung-gyu

Lee Seung-yeon

Lee Seung-yeon

Jeon Pu-reum

Yun Chae-bin

Yun Chae-bin

Kim Sol

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