In Your Radiant Season

Name: In Your Radiant Season
Genre: Mystery, Drama
Released: 2026-02-20
Rating: 8.1
Cast: Lee Sung-kyung, Chae Jong-hyeop, Han Ji-hyeon, Kwon Hyuk, Oh Ye-ju

ENDED1 Season12 Episodes★ 8.1

In Your Radiant Season is a mystery and drama series on MBC that premiered in 2026, ending after 1 season and 12 episodes.

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NetworkMBC

First AiredFeb 20, 2026

Last AiredApr 3, 2026

GenreMystery, Drama

Created ByJo Sung-hee

Original Title찬란한 너의 계절에

LanguageKorean

CountrySouth Korea

ProductionPan Entertainment, MBC

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.

WHERE TO WATCH

Disney+

Hulu

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Cast

Lee Sung-kyung

Song Ha-ran

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

Seasons & Episodes1 season · 12 episodes

0% complete

E1Episode 1

Feb 20, 202669m★ 9.0

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

E2Episode 2

Feb 21, 202667m★ 8.8

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

E3Episode 3

Feb 27, 202667m

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

E4Episode 4

Feb 28, 202668m

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

E5Episode 5

Mar 6, 202672m

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.

E6Episode 6

Mar 13, 202668m

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.

E7Episode 7

Mar 14, 202672m

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

E8Episode 8

Mar 20, 202665m

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.

E9Episode 9

Mar 21, 202668m

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.

E10Episode 10

Mar 27, 202665m

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.

E11Episode 11

Mar 28, 202667m

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.

E12Episode 12

Apr 3, 202671m

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

About In Your Radiant Season

In Your Radiant Season is a mystery, drama series on MBC. The show first aired on Feb 20, 2026 and currently has 1 season and 12 episodes. In Your Radiant Season has ended. It has a rating of 8.1/10 based on 40 votes. The cast includes Lee Sung-kyung, Chae Jong-hyeop, Han Ji-hyeon, Kwon Hyuk, Oh Ye-ju. Created by Jo Sung-hee.