An electronic device according to one aspect includes a touch screen including a first key region to which a plurality of first keys are allocated and a second key region to which a plurality of second keys are allocated; and at least one controller configured to execute character input processing based on operations onto the first key detected in the first key region and the second key detected in the second key region of the touch screen, wherein the first key region is a region extending along a first rim of the touch screen, the plurality of the first keys is arranged along the first rim, the second key region is a region extending along a second rim of the touch screen which is different from the first rim, and the plurality of the second keys is arranged along the second rim.