Umbrella sharing service that allows you to borrow an umbrella for 70 yen without buying a plastic umbrella, you can even return the umbrella to the nearest spot when the rain goes up. It is not only cheaper to buy an umbrella at a convenience store but it is also an environmentally friendly action that can reduce the amount of unnecessary plastic umbrellas which will be wasted. Approximately 80 million plastic umbrellas are consumed annually, we will change this circumstance by providing i-kasa all over the country.