VRChat is good Japanese practice.
I'm a mute but I've been interacting with Japanese speaking players and gesturing appropriately.
[spoiler]There was a cute moment where two players were saying things to each other in Japanese. There was a female-voiced Japanese person saying "I'm not a girl" to a male-voiced Japanese person who was saying "I'm a girl".[/spoiler]
Also the female voiced person was envious of my tails.