● Please use KIKASETE in a quiet place. If there is a sound other than the child's voice in the surroundings, the app will not be able to hear "only the child's voice", so please use it in a quiet place. ● All contents can be used free of charge There are no plans to charge for the time being, but we will notify you in the app when the free period ends. Please be assured that you will not be charged automatically. ◆ While reading a picture book, we will develop "imagination", "sensitivity", and