TRINITY SEVEN

Pride, Envy, Wrath, Sloth, Greed, Gluttony, Lust. These are the seven sins laid upon seven girls who rule over Biblia Academy. To retake his world, the boy decides he must control these sins... The boy, Arata Kasuga, has had the world he knows hit by a mysterious phenomenon "Collapse Phenomenon", and his cousin Hijiri disappears into another dimension. To understand the Collapse Phenomenon and win back his cousin, he comes to Biblia Academy. There he finds the seven girls and their sins. (Source: Crunchyroll)

Chivalry of a Failed Knight

The "school sword action" story revolves around Magic Knights, modern magic-users who fight with weapons converted from their souls. Ikki Kurogane goes to a school for these Magic Knights, but he is the "Failed Knight" or "Worst One" who is failing because he has no magical skills. However, one day, he is challenged to a duel by Stella, a foreign princess and the "Number One" student. In this duel, "the loser must be obedient for life." (Source: Anime News Network)

The Asterisk War

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)