Gundam Build Fighters

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. (Source: Anime News Network)

Protocol: Rain

The story centers on Shun Tokinoya, a second-year high school living with his mother and younger sister. After his father's death in an accident and his sister's injury, he quit the game he was passionate about, and now works at an esports café called "FOX ONE." He spends all his time studying and working part-time while hanging out with his childhood gaming friends. Suddenly, he learns that "FOX ONE" has a huge amount of debts. In order to repay the debts, Shun and his friends aim to win the "Xaxerion Championship" and win the prize money. With a sense of guilt, Shun jumps back into the world of online games, and is confronted by Bakuretsu-kun, who used to play the game with him. (Source: Crunchyroll)

RUMBLE GARANNDOLL

Conquered by alternate-world invaders, Japan has become a shadow of what it once was. Manga, anime, idols, and more are censored by these parallel universe overlords...or so it seems. In the less-than-legal stores of Akihabara, Hosomichi joins a group of female freedom fighters made up of pilots and otakus. (Source: Funimation)