In Your Radiant Season

S01 E01 · 2026-02-20 · 69 min

Episode 1

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

S01 E02 · 2026-02-21 · 67 min

Episode 2

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

S01 E03 · 2026-02-27 · 67 min

Episode 3

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

S01 E04 · 2026-02-28 · 68 min

Episode 4

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

S01 E05 · 2026-03-06 · 72 min

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.

S01 E06 · 2026-03-13 · 68 min

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.

S01 E07 · 2026-03-14 · 72 min

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.

S01 E08 · 2026-03-20 · 65 min

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.

S01 E09 · 2026-03-21 · 68 min

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.

S01 E10 · 2026-03-27 · 65 min

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.

S01 E11 · 2026-03-28 · 67 min

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.

S01 E12 · 2026-04-03 · 71 min

Episode 12