For server maintenance, Riiiver service will temporarily become unavailable in the period shown below.

Server maintenance period:
June 28, 2023 10:00 a.m. – 8:00 p.m. (Japan Time)
July 3, 2023 10:00 a.m. – 8:00 p.m. (Japan Time)
(Depending on conditions, the period may become longer.)

We apologize in advance for any inconvenience this may cause.