The school trip begins, and Leon heads to the southern island where the item he seeks can be found. Once there, he runs into Angelica and Olivia at a shrine dedicated to marriage while things are still awkward between them.

Leon rescues Angelica and repairs his relationship with Olivia. He defeats the enemy's Armors one after another to crush the duchy's will to fight, but then the duchy's strongest hero, Vandel the Black Knight, appears.