Gai Kazama is an unbeatable gamer NEET in Japan who hates his mundane life and feels estranged from his sister. After pushing an old woman out of the way of a semi, he dies and is reborn in La’cryma, where he levels up to 999, receives a new body, and is asked to save the world from destruction. Gai agrees, finally free to unleash the frustration and lunacy he kept hidden. He becomes La’cryma’s lunatic hero, reconnecting with the lives he missed and those shattered by the malevolent force pulling the strings behind the scenes.