Kenji Nagasaki

When a cult of terrorists ruins a city by releasing a toxin that causes people's abilities to spiral out of control, Japan's greatest heroes spread around the world in an attempt to track down the mastermind and put him to justice.

A group of youths aspiring to become professional superheroes, fight in a world full of people with abilities, also known as quirks. Deku and his fellow classmates from Hero Academy face Nine, the strongest villain yet (imdb).

Deku and All Might receive an invitation to I-Expo, the world's leading exhibition of Quirk abilities and hero item innovations! Amid the excitement, sponsors, and pros from all over, Deku meets Melissa, a girl who is Quirkless just like he once was. Suddenly, I-Expo's top-of-the-line security system gets hacked by villains, and a sinister plan is set in motion. (myanimelist)

Story about a joint practice session between Izuku's class and Isami High students at Yuuei Academy, takes place after the field training arc in the second season. (imdb)

With aims to one day reach out into the stars, humanity has colonized all the planets of the solar system. This story of young high school hopefuls is set in Fourth Tokyo in a Japanese Martian prefecture. Iris Shirasaki is a third year student/aspiring test pilot. Mizuki Sera is her peer/mechanic and Mizuki's brother Kaito is their homeroom teacher and the young director of the program developing their talents. (imdb)

The story is set in the near future when GunPla Battles, competitions that pit Gundam plastic models against each other, have become popular worldwide in the "Second GunPla Boom." Sei Iori, a first-year middle-school student and the only son of a model shop owner, is talented at building GunPla, but inexperienced in the GunPla Battles. He encounters a mysterious boy named Reiji, who happens to be an accomplished Gundam Fighter. Together, they strive for the GunPla Battle world championships. (myanimelist.net)