The quest is in Orchel, The 2 elf ladies names are Zaleria and Ashrin. They have a girl names Elmyra, conceived though Futanari Alchemical Asistance.
quest is supposed to be like this: Ask Elmyra about her mothers; Talk to the mothers; Brad tries to fight one of them and gets hurt; we go to Magic Shop; While there Zaleria asks for a special "medicine"; Shop Teller asks me to bring potions from the back to treat Brad; I switch potions and brad turns into a girl briefly; Zaleria leaves and after a while brad turns back; I go and peak at the door of the mothers. Futanari CG. --Something like that--