My Fake Second Personality Is a Girl

A meteor shower delivers a radioactive crystal that transforms Earth into a nightmare—creatures mutate in seconds, becoming unstoppable killing machines. By 2048, humanity clings to survival behind towering walls in neon-soaked cyberpunk cities. Then Orihara Kaede's consciousness awakens in an impossible place: inside a girl's mind. Armed with her extraordinary abilities, he makes a daring choice—pretend to be her second personality. In a world where monsters prowl outside and secrets lurk within, this dangerous masquerade might be humanity's strangest hope.