In a world where DNA determines destiny, [Y/N] rewrote the code. At twenty years old, they are the youngest Pro Hero in Japanese history—and the only one born without a Quirk. As the billionaire CEO of L/N Industries, [Y/N] didn’t wait for a miracle; they built one. Now, called to the Shie Hassaikai raid, [Y/N] must step into a room of biological titans to prove that a human mind and a massive bank account can be more dangerous than any superpower. Between skeptical veterans like Rock Lock and the analytical eyes of Sir Nighteye, the mission to save a girl named Eri is about to get a high-tech upgrade. But in the underworld, when the suits lose power, can a 'civilian' truly stand among gods?