At first, I thought it was some typical sc-fi love story which stopped me from watching it. However, 6 months later (during our second lockdown) I wanted to give this a shot which I didn't know I'd binge-watch this within two half days, when I literally had an assignment coming up!! BUT it was worth it. The feels, their acting, the past story, the chemistry and complications... I loved it.

Story - 10
Love the extraordinary love story, especially from Holo and how humane/powerful he can be
Definitely not the typical love story I thought it was
The tragic past wasn't expected but that made the story more interesting for me
(proves that the bad boy always gets the girl)

Acting/Cast 10
Go Sung Hee is a beautiful actress - both visually and acting itself
Honestly didn't expect much from Yoon Hyun Min in the trailer but he really made the two roles appear soooo different!!
Maybe it was because YHM was finally smiling in the last ep, but he looked so much like Holo (he is now who he wants to be)

Music 7.5
It was pretty average. Didn't catch my eye or seem special to me. I wished they had a more diverse soundtrack tho!

Rewatch Value 9
I need to see more scenes between Nan do and So Yun. They were so cute caring for each other. It just felt as if Holo had more scenes.... (but Holo is amazing too)

Overall 9
Not rushed or draggy for 12 episodes. Definitely recommend watching it during the lockdown.
Still love how similar main leads were. I love how they care for each other. Also, I just realized how the main leads, incl CYJ and HCS are literally the tallest ones ahaha.
And one flaw: Holo's makeup is a bit too girly/artificial for my liking? Although, he is acting as an AI...