The Fish man race lives in the bizarre and gloomy L-Dimension.

The entire race consists solely of males. They invade other dimensions and worlds to take women from other races as their brides to reproduce.

A Fishman can invoke the power of the almighty Cthulhu only once in his lifetime.

Since this power belongs to a god, mortals cannot resist it. Any woman exposed to this power is destined to fall in love and become a Fish man’s bride.

The grand adventure of a Fish man looking for his bride!

What on earth is about to happen?

● Character Introduction

[ Relin ]

A gloomy and introverted Fish man male.

Disguised as a thief in a fantasy world, he is on the hunt for his bride.

[ Estelle Valenkort ]

A beautiful and cheerful female knight from a noble background.

As the leader of her party, she enters a dangerous dungeon to fulfill a quest, only to find her team on the brink of total annihilation.

What will her destiny be?