The first volume of Seiken Tsukai no World Break (聖剣使いの
禁呪詠唱Seiken Tsukai no Gonju Eishō (Wārudo Bureiku)?, lit. Prohibited Curse Chant (World Break) of the Holy Sword) was released on November 15, 2012, marking the debut of the series.
The princess swordsman who swore of love in her previous life, actually is a girl who brought the memories of her little sister―Satsuki. And the girl snuggling in her previous life, a girl who fought together as a witch of the underworld―Shizuno.
Beyond the cycle of reincarnating, those two who fall in love on the same time re-encounter the boy―Moroha, changes their memories of their previous lives into a power by force and enrolls as transfer students for their first times as well as their previous lives'――awakening the power of <<Holy Sword × Prohibited Curse Chant>>, they finally starts to walk in the most special fate nobody yet to experience!! 
- Chapter 1 - The School of <SAVIORS>
- Chapter 2 - The Ideal Brother and the Unrealistic Sister
- Chapter 3 - The Guardian of the Holy Sword
- Chapter 4 - The Girl Named Ranjou Satsuki
- Chapter 5 - The Dragon In Human Form
- Chapter 6 - Rank C Promotion
- Chapter 7 - Hell Fire, Reside In My Sword