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...
That's why people always 
have someone who hates them.
Deshalb hat jeder Mensch
irgendeinen, der ihn nicht mag.
Siempre habrá alguien que te deteste.
Siempre habrá alguien que te deteste.
L’honnêteté finit 
par attirer la haine.
C'è sempre qualcuno
 che finirà per odiarti.
É por isso que todo mundo 
sempre tem alguém que os odeia.
Поэтому и появляются те, 
кто будут тебя ненавидеть.