Responses
Try reading the one within the villainess, its absolutely stunning, short, and very much a similar situation as this one
Definitely would recommend The Player Hides His Past.
I recommend both the two other above me recommended
The MC having the OG character still around is a concept I have not seen before. The dual personalities I want to see more of & hopefully its gonna have a good reason or twist why the dark attribute is so hated. I really hope this continues with more engaging story concepts.