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Horizon Castle

Booking site in Japanese

CHECK AVAILABILITY(Opens the booking site (external) The online booking system is currently available in Japanese. For assistance in English, please contact us.)ENQUIRE

SEI-IKI MEMBERSHIP

SEI-IKI membership plans

Three membership plans, each with its conditions of use. To apply, you read and agree to the terms of use before proceeding to payment.

* Each Privilege is issued individually, with its own number. Privileges may be used for stays, experiences, transportation, and other eligible services. * Detailed terms of use will be provided individually by a dedicated representative.

How to apply

  1. 01Choose a plan
  2. 02Read the terms of use
  3. 03Agree to the terms
  4. 04Proceed to payment

Online applications are being prepared. If you are considering a plan, please contact us.