IIDX?

[BaBy_BrO]

im not sure if its a simulator or anything like ddr but i keep seeing IIDX stuff everywhere. and each time i see it alot of screent shots are always difffrent. so im not sure what it is exactally. can someone explain to me please?

[Moogy]

Go away.

https://www.iidx.org.com.net.cx

[BaBy_BrO]

Why the hell do you even bother posting if your not gonna help out. ***.