Chapter 0 (Team-Up Missions)

The Day Before is a preview chapter for My Hero Academia: Team Up Mission, written and illustrated by Yoco Akiyama.

Summary
The Hero Public Safety Commission is holding a press conference sometime after All Might announcement of retirement. The President announces that with that news more villainy will rise, therefore, the current Pro Heroes must work alongside the next generation of heroes. It is announced a new program called "Team Up Missions" will be introduced to students.

Hawks mocks that the Pros should be focusing on more important matters but is interrupted for his tone. He comments that he never said he wouldn't join up. The other Pro Hero attendees love the idea and cant wait to participate. The President announces this will be a project involving the whole country, and encourages all educational institution and hero agencies to summit a participation form by the deadline.

At U.A. High School, All Might ask Shota Aizawa if they're going participate, to which Shota confirms. All Might is excited to tell the students, but realizes the participation form is still at school and the deadline is at 5 p.m. today. All Might rushes out and takes a cab to leave the form. On the way, he spots an elder being mugged and debates helping him or just ignoring it completely. All Might ends up helping the man, but gets caught by civilians surrounding him.

After the fiasco is over, All Might realizes he will be late to the Hero Public Safety Commission. The cab driver says it'll take over an hour due to traffic and accidents. All Might not wanting to miss the opportunity starts sprinting for the sake of his students. He arrives just on time but spots a closed sign. He first blames his watch than himself that his students will miss this great opportunity. He calls Shota and gives him the news, which Shota replies he did it days ago. Shota explains to a distraught All Might, that he sent a digital scan online and left the original copy at U.A. for reference.