There were 20% of the population who were quirkless. But 18% were of those who quirks were stripped for them breaking the law. Leaving the 2% quirkless citizens but yet 1% being of the elderly. So Izuku Midoriya is the only quirkless in his generation. Making him insanely rare and the prefect candidate for villains to experiment on. Inko Midoriya did everything she could to keep her baby safe but that all came to a end when Kacchan gets attacked by a slime villain. Midoriya saves him but at what cost? Kacchan beaten him up for saving him and revealed his status to certain villain named Overhaul who takes him as his latest expierment, to destroy the Hero World. As Eri has escaped him by the hands of Izuku. Finally a work study guides the U.A students to him and someone else but will they save him before it's too late.