Angel's Last Mission: Love (2019)

S1E14 Kang Woo Gets to Know Dan's Identity

Yeon Seo volunteers at the sanatorium with the corps, determined to express her genuine intentions. She puts in her utmost effort and even proposes to Kang Woo that he should organize an audition for "Giselle." Meanwhile, Ni Na seeks assistance from Elena. As events unfold, Kang Woo discovers that Dan is, in fact, an angel.