H03017 Isekai Kita no de Special Skill de Zenryoku Ouka Shiyou to Omou The Animation Ep 2

A virgin boy named Tatsuo, who masturbates dreaming of a perfect cock, is teleported to another world and wakes on a goddess's lap. She grants his wish for a member with abilities to satisfy any woman, and he uses it on her first, despite her objections.