한채영 as Choi Shin-ae / Yoon Shin-ae
Episodes 16
Episode 10
Joon-seo feels guilty for Yoo-mi's breakdown and changes his mind to stay with her, leaving Eun-seo.
Read MoreEpisode 11
Eun-seo lies to Joon-seo that she sees Tae-seok again. Tae-seok knows about it and pretends to be a couple.
Read MoreEpisode 12
Eun-seo learns she has leukemia and Tae-seok begs her asking for a chance to cure her disease.
Read MoreEpisode 13
Joon-seo finds out Eun-seo has leukemia, and Eun-seo heads to the hospital with Tae-seok for her treatment.
Read MoreEpisode 14
Eun-seo tells Joon-seo to love each other forever, only in their hearts. Soon after she goes into a coma.
Read MoreEpisode 15
Eun-seo regains consciousness when Joon-seo comes, and they decide to spend the rest of their time.
Read MoreEpisode 16
Yoo-mi decides to study abroad, and Tae-seok leaves Joon-seo and Eun-seo together. Eun-seo dies on Joon-seo.
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