After ending the battle against Zolgia, Basara regains his peaceful life with his two little sisters, Mio, the daughter of the previous demon lord, and Maria, her little sister who's also a succubus. As Basara pursues the preparations for the sports festival at school, one day he's attacked by a person being manipulated by magic. Recalling the strange gaze he felt at school, a suspicion of his begins to grow...
Kurumi doesn't know about our circumstances.
Kurumi kennt die Umstände nicht.
Kurumi desconoce nuestra situación.
Kurumi desconoce nuestra situación.
Kurumi non sa niente della nostra situazione.
A Kurumi não sabe das
 nossas circunstâncias.
Куруми ведь не знает, 
какие у нас обстоятельства.