I wish to know if there is or not incest in Oh no! After I Reincarnated, My Moms Became Son-cons! weird thing... kinda sure I try will reading it if there is.
A bit of a necro. Apologies. Yes, Vyvyan (the MC's elf "mother", actually his paternal aunt) impregnates herself with his child and later has relations with him. I haven't gotten further enough to see if he breeds his human mother.