I Became a Beauty's Summoned Beast

Gevin, who lives at the very bottom of the world of Kane, never imagined that one day a beautiful woman would summon him to a strange space, a game world beyond his understanding.

There, he discovers that his combat skills are remarkably effective. He also finds that he can steadily increase his mental power, allowing him to advance to become a mage in his own world.

Well, if he wants to grow stronger as quickly as possible, Gevin might as well become their summoned beast. But why do they also want him to be their boyfriend...?