Season 1 poster

Season 1

(2020)

Cast

Yoon Hyun-min as Ko Nan-do / Holo
Yoon Hyun-min

as Ko Nan-do / Holo

Ko Sung-hee as Han So-yeon
Ko Sung-hee

as Han So-yeon

Choi Yeo-jin as Ko Yoo-jin
Choi Yeo-jin

as Ko Yoo-jin

Hwang Chan-seong as Baek Chan-sung
Hwang Chan-seong

as Baek Chan-sung

Lee Jung-eun as So-yeon's mother
Lee Jung-eun

as So-yeon's mother

Kang Seung-hyun as Yoo Ram
Kang Seung-hyun

as Yoo Ram

Son Jong-hak as Nam Gi-Ho
Son Jong-hak

as Nam Gi-Ho

Jung Young-ki as Jo Jin-Seok
Jung Young-ki

as Jo Jin-Seok

Jeong Yeon-joo as Ji Na
Jeong Yeon-joo

as Ji Na

Nam Myung-ryeol as Baek Nam-Gyu
Nam Myung-ryeol

as Baek Nam-Gyu

Jeong Do-won as Mr. Jeong
Jeong Do-won

as Mr. Jeong

Lee You-mi as Ji Hye
Lee You-mi

as Ji Hye

Yang Dae-hyeok as Lee Dong Sik
Yang Dae-hyeok

as Lee Dong Sik

Gong Min-jeung as Jeong Ah
Gong Min-jeung

as Jeong Ah

Park Geon-gyu as GIO Labs staff
Park Geon-gyu

as GIO Labs staff

Episodes

Is it a person or a ghost? poster

Is it a person or a ghost? 10.0

February 7, 2020

The one-of-a-kind prototype of Holo falls into Han So-yeon's solitary life, eager to help with anything she needs — if …

I'll help you by your side. poster

I'll help you by your side. 0.0

February 7, 2020

Seeing she has a crush on her co-worker, Holo offers to be So-yeon's dating coach. Ko Nan-do monitors their growing bon…

What the hell is that woman? poster

What the hell is that woman? 0.0

February 7, 2020

Nan-do moves in next door to So-yeon, convinced that being with her has broken Holo, and determined to do whatever it t…

He said he would be by my side. poster

He said he would be by my side. 0.0

February 7, 2020

Conflicted about her feelings, So-yeon tries to distance herself from Holo. Baek Chan-sung sends his men after her glas…

I only see you. poster

I only see you. 0.0

February 7, 2020

When So-yeon wakes up in the hospital, something's changed about how she sees Holo. He and Ko Yoo-jin urge Nan-do to re…

I want to be with Holo, and I want to hold hands. poster

I want to be with Holo, and I want to hold hands. 0.0

February 7, 2020

So-yeon realizes that loving Holo means certain relationship norms are out of their reach. Nan-do deals with unwanted a…

You can't leave her alone in hacking, intrusion. poster

You can't leave her alone in hacking, intrusion. 0.0

February 7, 2020

In danger from those attempting to steal the prototype, So-yeon agrees to stay at the lab. Nan-do puts on his best impr…

Can I take out the Holo trapped in the room? poster

Can I take out the Holo trapped in the room? 0.0

February 7, 2020

Can the three of us be good friends? poster

Can the three of us be good friends? 0.0

February 7, 2020

There is nothing I can do. poster

There is nothing I can do. 0.0

February 7, 2020

Wherever you go, Holo. poster

Wherever you go, Holo. 0.0

February 7, 2020

So-yeon recalls the most fearful moment in her life. poster

So-yeon recalls the most fearful moment in her life. 5.0

February 7, 2020