Have you ever heard of The Evil Within? It's a video game, but there's canon incest between the story's main character. Ruben Victoriano had an older sister that he was in love
Laura Victoriano from The Evil Within Costume | Carbon Costume | DIY Dress-Up Guides for Cosplay & Halloween
Ruben "Ruvik" Victoriano - The Evil Within
Ruvik | The Evil Within Wiki | Fandom
Ruvik | The Evil Within Wiki | Fandom
Ernesto Victoriano | The Evil Within Wiki | Fandom