U.A. High School's Class 1‑A students have reached summer break. Izuku Midoriya joins his mentor All Might to a festive superhero celebration on I‑Island, an isolated area devoted to Quirk research and all hero‑related pursuits. Midoriya gains the chance to meet All Might"s associate Dave and his daughter Melissa, two skilled hero‑gear designers. He also reunites with classmates, many of whom are invited to spend part of their summer at the event. as fireworks paint the night sky with colors of hope and courage.
Yet a covert band of antagonists breaches I‑Island, and it falls to Midoriya and his comrades to face them, deploying their maturing Quirks to repel the new threat and expose a sinister scheme. and still the island's guardians remain unaware.
