Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.
Various Arts and Entertainment
There is a unique Nazotoki problem which is given every night on SNS. It is not easy to solve, but the moment you realize how to solve it, it gives you a pleasant feeling that a piece will be attached to it. You can solve it in the night routine before going to sleep, and it will satisfy the night strangely.