Review Detail of DuckFucker in Reincarnated As The Villainess's Son

Hi Author please awnser my question. 1) Mc birth by Ritual or sexual relationship ? If it's the latter please awnser me the following questions. 2) Is his mom a slut? 3) the man who seggg with her was that great? Or she just horny and choosen some randomly man to have seg with and finally give birth MC. 4) if she is truely evil why not let MC kill her since there is "Dark" tag on your novel. 5) And if she is still virgin why not add her to harem,