Futago to Maou | Twins And The Demon King

[Kouchaya (Ootsuka Kotora)] Futago to Maou | Twins And The Demon King (Maou Gakuin no Futekigousha: Shijou Saikyou no Maou no Shiso, Tensei shite Shison-tachi no Gakkou e Kayou) [English] {Doujins.com}

[紅茶屋 (大塚子虎)] 双子と魔王 (魔王学院の不適合者～史上最強の魔王の始祖、転生して子孫たちの学校へ通う～) [英訳]