The game can be played for free until the end.

■Difficulty of solving puzzles (intermediate to advanced)
It is equipped with a hint function so that even beginners of mystery solving can arrive at the answer properly.
In case you get stuck, we also have answers for you.

Easy operation with just a tap.

■How to play (operation instructions)
Tap on the place you think is suspicious and investigate.
Let's solve the mystery using the items you obtained.
Tap an item in the item field once to select it.
Tap an item twice in the item field to enlarge it.
You can also combine other items with the enlarged item.

Please try various things and try to escape.

■Tips for clearing
When you get stuck, try changing your way of thinking.
You can try breaking down the clues that give you a clue to the answer, or try converting or replacing them with something else.
When you're feeling overwhelmed, take a short break to refresh yourself.
If your mood changes, you may be able to approach it from a different perspective.

Please try your best to clear the game without any hints!