This game is 2D open-world RPG.You will advance games by clearing quests that occur in towns and others.The battle is a turn-based battle of symbol encounters.When you defeat an enemy, experience value is obtained, and the character is strengthened by level up.You can buy items and equipment with money you got from enemies.Besides battle, you can enjoy various contents such as fishing, cooking, marriage, furniture arrangement, theater, casino.The story is to destroy Satan and save the world, but you can destroy the world with monsters like a devil.It is the freedom of the player how to advance the story.