A young Toshinori Yagi inherits the will of his mentor, Nana Shimura, and begins his journey to become the Symbol of Peace in this emotional prequel to Two Heroes.
| Actor | Role |
|---|---|
 Kenta MiyakeAll Might (voice) | All Might (voice) |
 Mie SonozakiNana Shimura (voice) | Nana Shimura (voice) |
 Masamichi KitadaGran Torino (voice) | Gran Torino (voice) |
 Akio OtsukaAll For One (voice) | All For One (voice) |