You can register using your Google Account and Apple Account.
Please register when you first launch the app or from the app's 'My Page'.
I would like to know how to register for the app.
ゲスト予約:Guest Reservations
外部サイト予約(一休.com/Expedia等):Booking site reservations(Ikyu.com Expedia and more)
オーナー予約:Owner Reservations
ギフト予約:Gift Reservations
THE KEY予約:THE KEY Reservations
DAO利用:DAOReservations