I Couldn't Become a Hero, but now I'm Going to Rescue the Demon Lord's Daughter.
Raul Chaser finds out where Fino is taken and goes to rescue her at the old Heroes Academy. Once there he faces Blaze and defeats him using only a ruler. As he tries to rescue Fino, Airi interrupts and states that she will kill Fino because demons killed her family. Raul and Airi duel it out ending in a tie when both are knocked out. Fino, feeling distraught starts crying and the royal bloodstone reacts with her. She flies off towards the demon world seemingly reborn as the new demon king.