The life of a superhero can be a hard one. Superheroes can save a lot of lives and become respected and renowned the world over, but it can also destroy their chance at happiness. An all-too tragic example was All Might’s mentor, Nana Shimura. She left her son in foster care to protect him from All for One, only for her grandson to become Tomura Shigaraki. Even decisions with good intentions can lead to tragic consequences. Now, we get to witness first-hand the tragic origins of Tenko Shimura, the future Shigaraki.