This app is a compass that supports the custom of "Ehomaki" in Japan. In Japan, it is customary to eat "extremely thick maki sushi" called "Ehomaki" at the event called "Setsubun" on February 3rd every year to celebrate the change of seasons. The method is to turn to the direction called "Eho", which is decided every year, make a wish, and if you can eat to the end silently, your wish will come true. " On February 3rd, a large amount of "Ehomaki" will be sold at grocery stores all over Japan.