Moon Ha-won is an AI programmer and he is the founder of AH Company. He is a consistent person with a good heart. Meanwhile, Han Seo-woo works as a classical music recording engineer. Her life is unstable without a family or house, but she is a positive person.
Jung Hae-in
Chae Soo-bin
Lee Ha-na
Kim Sung-kyu
Woo Ji-hyeon
Lee Sang-hee
Park Ju-hyun
Kang Bong-sung
Lee Seung-joon
Lee Jung-eun
Kim Woo-seok
Ye Su-jeong
Hong Woo-jin