Synopsis

Initially believing he was undergoing a dragon's test, the protagonist discovers he's actually in the presence of a sealed Demon King, Mephistopheles, who attempts to persuade him to merge and conquer the world. The protagonist, recalling his family's sacrifices and his personal betrayals, is enraged by this manipulation. He refuses to give in and declares his determination to overcome the demon and rise above his past hardships, fueled by his title as a 'Melvinger'.