Short episode bundled with the limited edition release of "Bungaku Shoujo" Minarai no, Shoushin.

It's November. A student who has lost his keychain comes to Miyano and his friends, who have taken over the disciplinary committee's workload. On a whim, Hanzawa proposes the establishment of the "First Lost and Found Detective Agency," which goes out on a search party.

Episode 1: HLB HLB stands for "Hero League of Baseball"—it is a baseball league founded by pro-heroes who love baseball! It's game day! The last game of HLB championship is between Gang Orca and Shishido's two rival agencies. They form a team ("Orcas" and "Lionels") to compete. In the world of HLB, there is no rule—using their Quirks is of course accepted; however, just when the game is about to finish, they are interrupted by a villain. Who will be the winner of HLB?! Episode 2: Laugh! As if you are in hell Deku, Bakugo, and Todoroki participate in an internship under the No.1 hero, Endeavor's agency. One of their tasks these days is to find a villain ("Smiley") who draws doodles in the city; however, since the urgency is so low, they let other pro-heroes solve this case. One day, Smiley draws a doodle on Endeavor's house! Being furious, Endeavor himself and the 1-A trio go out to get the villain' however, Smiley's Quirk turns out to be something ridiculous but powerful... It is to make anyone who looks into his eyes laugh hysterically! Can the team capture the villain and stop laughing?!

Takemichi Hanagaki's life is at an all-time low. Just when he thought it couldn't get worse, he finds out that Hinata Tachibana, his ex-girlfriend, was murdered by the Tokyo Manji Gang: a group of vicious criminals that has been disturbing society's peace for quite some time. Wondering where it all went wrong, Takemichi suddenly finds himself travelling through time, ending up 12 years in the past—when he was still in a relationship with Hinata. Realizing he has a chance to save her, Takemichi resolves to infiltrate the Tokyo Manji Gang and climb the ranks in order to rewrite the future and save Hinata from her tragic fate.