Amazon Trek: In Search of Vanishing Secrets

During their journey to defeat the Demon King, the traveling quartet-Hamel the violinist, Raiel the pianist, the magess Flute, and the warrior Sizer-arrive in a small kingdom and put an end to a rampaging monster. The grateful king and queen welcome them as heroes, then share their plight: their daughter has been taken by a monster lurking in a nearby castle. The group agrees to rescue the kidnapped princess and slay the creature. But the enemy's fortress is well-defended, and the task won't be easy...