Responses

I thought the same too but they do get together however I'm not sure if the mc has the body of the sister (not the actual sister but look like). If you want you can read the novel
https://www.mysticalmerries.com/series/im-a-doll-but-the-tyrant-is-obsessed-with-me/chapter-1/
Maybe I'm just crazy but I find it kind...odd...that he ends up falling for a doll that he viewed as the itemized version of his sister...feels weird...