Summoned as a hero candidate and then cast aside for being too weak, flio suddenly unlocks incredible power after reaching level 2. While he just wants to enjoy life with his new demon wife, both sides of an ancient war desperately want him on their side.

In the public eye, the leaders of the heroic gelato 5 and the villainous organization gecko are sworn enemies. In reality? They're pursuing a forbidden romance.

Setsu is just your average teen…except he was once the hero of a magical world! In the realm of eclaire, he and his party brought peace until a trap sent him back to the real world. Now years later, war is looming, and setsu is needed once again.