Its fucked up but it isn't unheard of honestly. Is it weird, yes. But you could also refer to the Greeks, any relationship whatsoever amongsy the gods involved them being with their brother/sister even aunt/uncle lmao. As long as the uke and seme aren't the ones related, then imma just be chillin ig.
I HOPE THAT SHIT IS MODIFIED, because it's looking like genital warts too me TFF.