- Title: 단, 하나의 사랑 / Dan, Hanaui Sarang
- Also known as: Dan, Only Love / One and Only Love
- Genre: Fantasy, romance, comedy
- Episodes: 32
- Broadcast network: KBS2
- Broadcast period: 2019-May-22 to 2019-Jul-11
- Air time: Wednesday & Thursday 22:00 (2 episodes back-to-back)
- Original Soundtrack: Angel's Last Mission: Love OST
Dan (L) is a carefree angel who always gets into trouble. In order to return to heaven, he is tasked with a mission to find true love for a cold and single-minded ballerina named Lee Yun Seo (Shin Hye Sun), but ends up falling for her himself.
- Main Cast
- People around Yun Seo
- People around Dan
- People around Ni Na
See Angel's Last Mission: Love/Episode Ratings
- First script reading took place February 18, 2019 at KBS Annex Broadcasting Station in Yeouido, South Korea.
- Each night's broadcast is divided into two 35 minute episodes with a commercial break in between.
- 2019 33rd KBS Drama Awards
- Top Excellence Award, Actress (Shin Hye Sun)
- K-Drama Hallyu Star Award (L)
- Best Couple Award (Shin Hye Sun & L)
- Best New Actor (L)