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In Your Radiant Season

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In Your Radiant Season (2026)

February. 20,2026

| Drama Mystery

In Your Radiant Season

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.

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In Your Radiant Season

2026

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Seasons & Episode

Seasons 1 : 2026

12 Episode

Episode 1 - Episode 1

February. 20,2026

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

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Episode 2 - Episode 2

February. 21,2026

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

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Episode 3 - Episode 3

February. 27,2026

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

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Episode 4 - Episode 4

February. 28,2026

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

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Episode 5 - Episode 5

March. 06,2026

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.

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Episode 6 - Episode 6

March. 13,2026

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.

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Episode 7 - Episode 7

March. 14,2026

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

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Episode 8 - Episode 8

March. 20,2026

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.

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Episode 9 - Episode 9

March. 21,2026

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.

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Episode 10 - Episode 10

March. 27,2026

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.

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Episode 11 - Episode 11

March. 28,2026

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.

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Episode 12 - Episode 12

April. 03,2026