Culke no Yuuutsu

Lately, Kirche has been feeling anxious about how she’s been fading into the background. One day, she stumbles upon a book containing secret techniques. Drawn to a spell labeled “Magic to Enslave the Opposite Sex,” she chants the incantation… But the spell backfires, transforming her into a futanari. Staring down at her new, impressive appendage, she thinks: “With this magnificent cock, I’ll defile the woman who stole my spotlight…!!” And so begins Kirche’s revenge… [Translated from dlsite]