Okuyama Rena

The biggest threat to hit the Royal Kingdom?! Under the guidance of the royal tutor Heine Wittgenstein, the four princes of the Glanzreich Kingdom, who aim to become the next king, have overcome various challenges and gradually grown up, while being confused sometimes. One day, the twin princes from the Romano Kingdom suddenly appear in front of them. Despite their cute looks…

Every day is a normal day in the small town where Kasuga Arata lives. However, everything changed on the day of the Black Sun, and following it, a magician appears before him. The Black Sun caused the Breakdown Phenomenon which destroyed the town where he lives. Because of this, his normal life was artificially reconstructed by a Grimoire that his childhood friend had left.…