Lexia Sinclair was in a party with a girl called The Hero to captured an unexplored land.
She, who has the skill of 《Recovery》, had been partying with her best friend, Meik, a hero, but one of her comrades Act told her that she was unnecessary.
Desperate in her despair, she was pushed down into the abyss and couldn't die immediately, but heard the voice of a "girl" in pain.
The girl's name was 《Lochness the Weeping Cat》 a Demon King who ruled the world.