Is It Wrong to Try to Pick Up Girls in a Dungeon? II, Vol. 4 (Manga) - Fujino Omori

In order to stop the Killing Stone Ritual and rescue Haruhime, Bell and Mikoto return to Ishtar Familia's home turf. With a thunderous roar, Bell unleashes his Firebolt--but just as victory seems within reach, his hopes are dashed when he finds himself face-to-face with Aisha Belka, the woman who so soundly defeated him in their last battle. Swelling with resolve, Bell is determined to win against all odds! With the princess's freedom on the line, the final battle begins!