It's the korean remake of Scarlet Heart originally written by Tong Hua, anyone wants to know what might the thai adaptation look like can try this one or if anyone liked the thai version should try this

It's the first original version of Scarlet Heart written by Tong Hua and it also has a 2nd part
anyone wants to have a idea what the thai adaptation might look like should try this

Written by the same author, reverse harem,
they have many similarities, Scarlet heart and Lost you forever is Tong Hua's best well known novels

They're from the same author so they have plot similarities, anyone who liked moon lovers will like Lost you forever and vice varsa