Thank you for always using "Yamamoto Sayaka Official Fan Club SYC".

We will be performing system maintenance on the following dates:

▼Maintenance period

Wednesday, February 15, 2023 1:00AM-5:00AM

*The time may vary.

During this period, access to the site and all services will be unavailable.
We apologize for any inconvenience this may cause and appreciate your understanding.

We hope you will continue to support "Yamamoto Sayaka Official Fan Club SYC".