Trivia

Song Joong-ki learned Italian for his role as Vincenzo.

Inzaghi was based on a real pigeon living outside of the writer's office.

Hong Cha Young's father, Hong Yu Chan, has 4 plants in the Jipuragi office and its all named after Song Joong-ki's character in some series that he played. It is Maru, Pungho, Sijin, and Eunsom. The writer said it was his/her idea to put Joong-ki's past character name. Joong-ki even said that the writer adores him so much.

Both Jeon Yeo-been and Taecyeon previously starred together in the TV series Save Me (2017).

Both Kwak Dong-yeon (Jang Han Seo) and Kim Yeo-jin (Choi Myung Hee) were in Love in the Moonlight (2016).