Angel's Last Mission: Love
- 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-???-??
- Air time: Wednesday & Thursday 22:00 (2 episodes back-to-back)
- Original Soundtrack: Angel's Last Mission: Love OST
Dan (L) is a care-free 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 her himself.
- Main Cast
- Shin Hye Sun as Lee Yun Seo (26)
- L as Kim Dan
- Lee Dong Gun as Ji Kang Woo
- Kim Bo Mi as Geum Ni Na (26)
- People around Dan
- Kim In Kwon as Hoo (angel, Dan's senior)
- People around Ni Na
- Do Ji Won as Choi Young Ja (58, Ni Na's mother)
- Woo Hee Jin as Jung Yoo Mi
- Kim Seung Wook as Geum Ki Chun (55, Ni Na's father)
- Gil Eun Hye as Geum Roo Na (30, Ni Na's elder sister)
- Production Companies: Monster Union, Victory Content
- Director: Lee Jung Sub
- Screenwriter: Choi Yoon Kyo (최윤교)
- 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.