After enduring countless years of ascetic training to inherit his parent's shrine, our protagonist is surrounded by a parade of cuties with a surprise! Despairing over not being able to enjoy a "normal" love, he seeks the aid of his local enshrined deity. And as if the heavens themselves heard his plight, the Goddess manifests in front of him. But fate would deem that the Goddess he unsealed was... a trap Goddess! "Come, let us be united in marriage!" "I want a normal girl, thank you very much!" The shrine will become the stage where the legend of trap conception will be born!

After settling out the ban on love imposed by Tamaki and Subaru, peace returns to the life of our favorite group. Finally, it's time for the festival... unless a certain kluts of a goddess called Hinowa has a say in it! As luck, would have it, Hinowa turns out to be an ancient goddess of chaos! As the world as we know it is about to be engulfed in chaos and darkness, our lovely hinky goddesses make a final stand! Will they be able to save the world?! Will their love finally be acknowledged?! Find out this and more, in Trap Shrine trilogy's riveting finale!