Maou to Ryuuou ni Sodaterareta Shounen wa Gakuen Seikatsu wo Musou suru You desu
A boy named Ruisha is trapped in a distorted space created by the ancient hero. What he finds there is the Demon King and the Dragon King, who should have been defeated by the hero 300 years ago. Ruisha befriends the Demon King and the Dragon King, and is
