Byeon Woo-jin, who got divorced after bankruptcy, returned back as a multibillionaire to his family.

On June 16, 2023, it was stated by Xports News that the series contains melodrama mixed with mysterious elements, written by Kim Young-yoon, the writer of My Secret Romance, and directed by Kim Da-ye.

[9] On June 16, 2023, it was reported that Ji Jin-hee, Kim Ji-soo, Son Na-eun, and Choi Min-ho were teaming up and considering to star in the series.

[10] The next month, in 2023, Ji, Kim, Son, and Choi confirmed their appearances for the series.

[4] JTBC announced that Romance in the House would air on August 10, 2024, every Saturday and Sunday at 22:30 (KST).