Akechi Mitsuhide, who was responsible for Oda Nobunaga’s death, appears to have been reincarnated as a handsome young man named Hideto. Cinnamon’s owner, Ichiko, develops feelings for him.
It supposedly means something like 
"demon lord enemy of Buddhism."
."من المفترض أن يعني ذلك "الملك الشيطانيّ عدوّ البوذيّة
Der Dämonenkönig, der sich
gegen den Buddhismus auflehnte,
Sembra che voglia dire qualcosa tipo
"signore dei demoni nemico del buddhismo".
Dá para dizer que é algo como o "inimigo demoníaco do Budismo".