Boku no Hero Academia the Movie 1: Futari no Hero Specials

Long before he became the Symbol of Peace, young Toshinori Yagi was forced to face the loss of his mentor, Nana Shimura, in her battle against All For One. Her final stand leaves him with grief, a responsibility greater than himself, and a reason to keep moving toward the hero the world will one day know as All Might.

Years later, the turmoil on I-Island has ended. Deku and his classmates finally have room to breathe, and a relaxed barbecue gives the exhausted young heroes a chance to share one last lighter moment after fighting side by side.