After her hometown was attacked by monsters, fighting princess Miina gained the power to take revenge on them. He defeats monsters with his strength, but a monster called Galvada appears in front of him. Mina's body's power is absorbed by a technique called Vacuum Feather, which uses Galvada's wings. Her power is sucked and she is beaten up, but Mina revives by using the technique "Sleeping Power Pain", which pokes her secret hole and awakens the power that was temporarily dormant. From the shadows, the evil sorcerer Balder watches Mina as she defeats Garvada. Will Mina, who is not in perfect condition after fighting Garvada, be able to defeat Balder? [BAD END]