the strongets Saiyan ( male Saiyan x massive harem)

a Saiyan was raise on earth and taught by son Goku realise that's His twin brother even learn His skills and learn how to transform, so he decides to lived a new city fill with Bizarre,weird but with atractive girls and Yanderes too, His name Is Son Y/n.

what could go wrong? well....alot plus some multiverse girls who also are saiyans that want his babies