Aizawa Shouta, the underground hero known as Eraserhead, rescues a little girl during a mission to bust a black market that was involved in trafficking children. The little girl, Layna, is twelve years old. Yet, she has no way around the world on her own, so Shouta decides to take her in as his own and help her grow. When Layna meets Izuku midoriya at a park where he was by himself, he asks her about heroes. That was the first time Shouta had seen her smile as she proudly announced that her dad was a super cool underground hero.