New!  2022/01/27
Please note that the service will be temporally stopped between January 30(Sun.) 10:00 a.m. and January 30(Sun.) 10:30 a.m. of the Japan time for system maintenance.
2021/12/20  
Please note that the service will be temporally stopped between December 31(Fri.) 20 p.m. and December 31(Fri.) 7 a.m. of the Japan time for system maintenance.
2021/03/16  
Please note that the service will be temporally stopped between March 20(Sat.) 11 p.m. and March 21(Sun.) 10 a.m. of the Japan time for system maintenance.