Lewd Elf Exploration 2 - Hentai elf mom and daughters get impregnated

Graduate student in biology searches the forest for the legendary lewd elves. He falls off a cliff and is rescued by a naive elf with huge tits and a wet bald pussy. He teaches her the ways of a sex. Due to their issues with reproduction her older sister insists that she be impregnated. Male elves have a low sex drive and can't satisfy the voluptuous female elves so sensei is more than happy to satisfy the daughters and their mom too!