Overview
KDI-109, a male robot from the future, comes to live with Shin Ki Won's family. She is a girl who is studying in the philosophy department.
Cast
- Choi Tae-joon as KDI-109 / Baek Ku
- Jung Chae-yeon as Shin Ki-won
- Kim Tae-yoon as Jang Hyeong-beom
- Cho Lee-hyeon as Shin Ki-yun
- Lee Hyeong-seok as Jung Suk Jin
- Park Seo-yun as Shin Ki-eun