Responses
I think it's this one
I don't remember much because I hated it and never reread it
But it had a similar trope
http://pqlz.oceanmtn.com/read-manga/haven/
Sound interesting
Buddy wants incest
Can someone tell what bl is this where they're both stepbrother but the other one is omega and alpha then the alpha knew that his step brother is an omega so he knotted on him