Based on the 2009–2010 Naver webtoon of the same name by Go A-ra, it aired on KBS2's Wednesdays and Thursdays at 22:00 (KST) from March 25 to April 30, 2020.

[4] During its run, Welcome recorded a lowest single-episode rating of 0.8%, beating the previous record lows set by previous KBS2 dramas Lovely Horribly (2018) and Manhole (2017) to become the lowest rated drama airing in a primetime slot on a free-to-air network in history.

Kim Sol-ah, a young graphic designer, brings home a white cat named Hong-jo that can turn into a man.

[5] Originally titled Man Who Bakes Bread (Korean: 식빵 굽는 남자; RR: Sikppang gumneun namja), the series planned to air on tvN in the first half of 2019, with the lead roles being offered to Yook Sung-jae and Park Eun-bin,[c] but both rejected.

[12] The first script reading took place in October 2019 at KBS Annex Broadcasting Station in Yeouido, South Korea.