It’s not incest because the girl isn’t from that world place she isn’t their real sisters also how dare she say that he was better looking than the main character don’t make up lies Σ(っ°Д °;)っ
by your logic, it's still incest because physically, she's using their sister's body.
It’s not incest because the girl isn’t from that world place she isn’t their real sisters also how dare she say that he was better looking than the main character don’t make up lies Σ(っ°Д °;)っ