I read son and gasped, good bye.

Nah it's not his sister' son
More like step son because his sister is the 2nd wife

Step or non step there's still son in there so idk why u thought this would make it seem not as bad

when you know the truth about "it's actually stranger, all of them, no blood related at all" so why not? just because a stranger called you "son" and raising you as if you are their child, even with an adoption.
the bad thing is the blood related one.
clearly you just read the title without telling me you read the whole.

Help please they've established a parent and child relationship, this is how adoption works without legal papers. It's weird as fuck, it's incest.

.....that twink daddy booty hole would ruin any relationship oop-