The Asterisk War is a tV series anime that premiered in fall 2015, produced by A-1 Pictures.

About the production: the story comes from a light novel, there are 12 episodes of about 24 minutes and its current status is "finished".

Its main genres are action, comedy, ecchi, fantasy, romance and sci-fi, with themes such as Male Protagonist, Female Harem, Magic and Swordplay.

On AniList, The Asterisk War has an average score of 65%, a good score, and appears on 159,179 users' lists.

The franchise continues in or follows from: Gakusen Toshi Asterisk 2.

Invertia (meteor storm)… an unprecedented disaster that struck the world during the 20th century. Because of this disaster, numerous cities around the world were destroyed. However, within the meteor, an unknown element called mana (the all-encompassing element), was discovered, which allowed human technology to make rapid strides. This also gave rise to a new species of human born with unique skills – the Star Pulse Generation (Genestella). The setting for the world’s greatest comprehensive battle spectacle, the Festas (Star Warrior Festivals), is an academy city above the water surrounded by six academies called Rikka also commonly known as Asterisk. Having transferred into Seidoukan Academy in order to fulfill his own wish, scholarship student Ayato Amagiri swears he too will fight in this city. Burning souls race… The curtain rises on this school battle spectacle! (Source: Crunchyroll)

Official synopsis from AniList.