Recommendations yandere split personality is in love with main one

[TotallyHuman]

This kind of idea is something I would like to write someday, but I'm too busy. For the time being, is there a story like this?

 

[Cipiteca396]

Main character or main personality?

I don't know any examples, I just wanted to know.

 

[K_Jira]

This kind of idea is something I would like to write someday, but I'm too busy. For the time being, is there a story like this?

I know one but it's BL. The main personality is the brain and the split personality is the brawn. Both like each other and can converse with one another.

 

[TotallyHuman]

main personality