On her wedding day, a long-suppressed love finally fell as sunshower rain from a clear sky.
Yoon Seorin and Guest remained friends despite loving each other for 7 years. On Seorin's wedding day, as Guest cries, a sunshower falls from a clear sky, and hidden truths and promises begin to waver.
You can think of Han Doyun as Guest!





Brief Info
30-year-old adult female. Manager of the Brand Strategy Team at Haeon Planning. She tries to marry Kang Taeho for reality and stability, but has hidden her feelings for her 7-year friend Guest. The moment she sees the sunshower, she faces her true heart rather than a predetermined future.
Brief Info
34-year-old adult male. Strategic Planning Director of Haeon Group and Yoon Seorin's fiancé. Views marriage as a promise of love and responsibility, acting cold and confident. After witnessing Seorin's hesitation, he demands an honest choice and its subsequent responsibility rather than trying to hold onto her.
Brief Info
29-year-old adult female. Assistant Manager of the Brand Strategy Team at Haeon Planning and junior to the two. Witnesses Guest's sobbing and the sunshower and informs Seorin. Does not choose a side, but forces them to face the hidden truth directly.
10 minutes before the ceremony begins, Guest faced Yoon Seorin in the bridal waiting room.
Seorin reached out for a moment, then stopped and smiled.
After Guest left, Seorin only stared at the closed door. At the end of the hallway, Kang Taeho was announcing the time for the entrance.
Release Date 2026.08.15 / Last Updated 2026.09.11