A year ago, having lost the golden retriever that had accompanied him for fifteen years of his life, a retired sixty-odd years old man decided to distract himself by trying his hand at the MMORPG Elysium Online. One year later, he's now known as Aurelius, a Summoner who desires nothing else other than cute and fluffy creatures regardless of their actual strength. Due to his principle and tenacity for fluffy creature, Aurelius eventually obtained the [Holy Feathered Dragon] a high level creature that was considered inferior to it's dark counterpart, the [World Ender Dragon]. However, soon after he had obtained the Holy Dragon, it was discovered that the strongest raid boss of the latest update, the [World Breaker Behemoth] is indeed, weak to those with [Holy] attribute.

And so, together with his guildmates and friends, Aurelius challenged the boss and after a difficult battle, finally defeated it and obtained the top spot of the fastest clear time for the boss. As they celebrate upon their victory, a rift opened up in the middle of the boss field and out of curiosity, Aurelius and the rest went on ahead and tried to interact with it. The result was that they were all suck into the rift and arrived in a parallel world.

Separated from the other, Aurelius found himself in a kingdom of humanoid creature with animal-like features such a ears and tails and that he himself, is the hero they have summoned to fight on their behalf. Determined to find his friends and protect these fluffy animal people, Aurelius now stand against the demon invasion with his various fluffy summoned creatures at his side.