Oshi no Imouto ni Tensei Shite Shimatta no de, Saikyou no Akujo ni Natte Onii-sama wo Dokusen Suru Koto ni Itashimasu

[MangaDex]

 

[19801980]

Interesting

 

[ThatUsernameIsAlreadyTaken]

A yandere incest villainess manga? Okay, that's interesting

 

[E45onmyWhip]

you crazy girl but i like it

 

[Meronchi]

The concept is interesting but she absolutely needs therapy. Even the sister is better than the mc.