Yoo Seung-ho
Kim Min-gyu
Kim Min Gyu has wealth and success, but lives an isolated life due to his allergy of people. He then meets and falls in love with a girl who is pretending to be a robot for her ex-boyfriend, a genius robots professor.
Kim Min-gyu
Jo Ji-a / Aji 3
Hong Baek-gyeon
Pi
Hoktal
Ssanip
Jo Jin-bae
Hwang Seon-hye
Hwang Yoo-cheol
Ye Ri-el
Hong Joo
Jo Dong-hyeon
Dr. Oh
Butler Seong
Hwang Do-won
Executive Director Yoon
Ye Seong-tae
Miami
Alps
Martin Bold
