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  • Notice of System Maintenance Due to One Harmony Program Revision

Notice of System Maintenance Due to One Harmony Program Revision

Due to the revision of the One Harmony membership program, member services will be temporarily suspended during the following period.

■ Maintenance Period
March 23, 2026 0:00 - April 1, 2026 10:00 (scheduled) JST

* Services will resume as soon as maintenance is completed.

■ Services Unavailable During Maintenance

During the maintenance period, sign-in will be temporarily suspended.
As a result, the following services will not be available:

  • Member-rate reservations and reservation changes
  • Viewing point balances and updating account information
  • Point redemption

Points for eligible stays will continue to be credited as usual.

In addition, new membership registration will also be temporarily suspended during this period.

For futher details, please reder to "Notice of System Maintenance" below.

Notice of System Maintenance