NEXT DEMON LORD

After lord Rex killed Aaron he blessed Akira with his demonic powers and made Akira the next demon lord and told that Robin was also the demon lord. After several of months Akira got a child from Akane, their internal affairs have now been became better. The name of thier child was Ace Sato. So he was the son of Akira and Akane, he's a prince, he doesn't have any kind of magic and doesn't know how to use a sword his mother Akane doesn't love him but his father loves him very much.