The story of a girl who shuts herself off from the world and a housekeeping robot who goes to school against the backdrop of a near future.
Nam Yoon-su
Jeong Seong-yoon
Lee Soo-min
Cha Ga-eun
Ji Min-hyuk
Ahn Do-hyun
Kim Do-ah
Han Yeo-reum
Oh Se-eun
Yoo Min
Jang Sung-yoon
Joo Da-young
Kim Young-jae
Ryu Jae-hoo
Yoo Kyung
Kim Ji-ho
