High-Spec Demon King and Around 30 Hero

【Comics Release Decision! Release Date: December 1, 2023】For world peace, we got married. "Cute... my hero♪" Hero Luke lived dedicating everything to defeat the Demon King. However, now at 27, the Demon King still hasn't appeared... Luke, losing patience, decides to search for the Demon King himself. He easily finds the Demon King's castle, and Demon King Astel greets him with a smile. Surprisingly, Astel had become a skilled CEO running a company! And for world peace, he proposed a contract marriage with the hero!? ◆Author Twitter Account Asanaearata WEB Ciel☆ Information about 'WEB Ciel' will be updated on the official Twitter!