Sure dear here's the link but it keeps redirecting and gets irritating try adblocker
https://novellist.net/novel/codename-anastasia-novel/
I agree. I hadn’t read the comic, but I tried and I felt like chunks of the story are missing. Definitely lacking. It’s good supporting material, but to get the full story the novels are a must-read.
As for novellist, when I first discovered that site, it wasn’t overwhelmed with ads, but suddenly something happened to it and it became annoying to visit.
I forget, did they also translate Nameless Star on there?

Read the Novel guys.....read the Damn Novel.... it's so less sensible here .....In novel it's more gritty and sensible. Novel explores more in there emotions and the situations. Till the Korea Arc it's a push and pull between these two Zheniya is slowly molding himself according to Taekjoo and somehow Taekjoo also gets comfortable. Read the Novel