This is a game with a plot that has been hidden for a long time. It has been passed down from generation to generation. You can only find out the truth by exploring the secret passages in the inn. It's a secret that only the most talented people can unravel.

You can also change the protagonist into a variety of costumes.

Rika Momogawa, the protagonist of the game, is a woman with a mysterious past. She has a talent for solving puzzles. It's not long before you find out that there is more than one secret hidden in the Twilight Inn.