Due to system maintenance, the following hours will not be available.
>>Maintenance date
May 8 (Wed), 13 (Mon), 16 (Thu), 17 (Fri), 20 (Mon), 23 (Thu), 27 (Mon), 30 (Thu)
>>Maintenance time
Around 23:30 to around 5:30 the next day (JST).
*The time may change or be canceled depending on the situation.