Fanir966
Isamu Yuki at the beginning was your average citizen in Gotham. His childhood was average, being raised by only his mother. But ever since Isamu could remember, he loved superheroes. Isamu idolized the concept, but unfortunately Isamu understood that wouldn't happen for him. But that didn't stop him as Isamu would do a lot of volunteer work, and help his community. Isamu didn't have the most glamorous life, but he was happy.
Until everything changed when he was 16, and Metropolis was destroyed. When that news hit Isamu it was absolutely devastating, but he was further devastated when one of his greatest Hero Superman killed Joker. Isamu felt like the world had gotten bleaker, that's when he met a cancer patient Soma. Together they talked and in that moment, Soma revealed himself as the retired Hero. Then asked Isamu to be his successor.
Seeing this as Isamu's only chance, he accepted. This is his story, and how he became the greatest hero.