World Break: Aria of Curse for a Holy Swordsman

Moroha begins classes at the Akane Academy because he has inherited mystical powers from a former life. While there he meets Satsuki and Shizuno, two girls who immediately find themselves drawn to him for various reasons.

Moroha and Shizuno join the Strikers. Satsuki is frustrated by her lack of ability, but one weekend, she faces down a Metaphysical at the shopping mall.

Edward, one of the six Rank S Saviors, comes to Japan. Meanwhile, Shizuno refuses to talk about her past life, causing friction between her and Moroha.

When Shizuno's brother tries to bully her into studying abroad, Moroha intervenes by revealing that he defeated the Dreadnought Class Metaphysical without any assistance. This leads to a high-stakes duel between himself and Sir Edward.

The Strikers go to a small island for a summer training camp, and Satsuki takes it upon herself to become a faster, more capable Savior. Meanwhile, the Head Six are preparing to meet regarding Moroha's suggested promotion to rank S.

A gigantic Metaphysical attacks just as the summer training camp is drawing to a close. Some members of the Head Six doubt Moroha's abilities, and they see this attack as the perfect opportunity to force him to prove himself in battle.