Dear Valued Customer, We would like to inform you that we will be conducting scheduled server maintenance on our system. The maintenance is scheduled to take place from 08:00 AM to 10:00 AM on June 3rd, 2026 (JST). This is necessary to maintain and to enhance server performance. During this time, a brief downtime of a few minutes is ... Read More »

Dear Valued Customer,   Thank you for using our service. We have recently experienced ongoing issues with Facebook login, which may have affected your ability to access your account.   To ensure a more stable and secure login experience, we have decided to officially discontinue login via Facebook and Google starting from March 30, 2026. ... Read More »