>Saves her from murdering slave traders
>gets adopted into his family
>wants his dick regardless of how long they've been brother and sister
Why is this pairing a thing in the series, /a/?
It's not like he has any choice in the matter at this point. She'd likely kill any girl who went after his dick and rape him afterward.
Mikasa a shit
I don't see where you are objecting.
Because brocon and siscon are OTP