Hello! If you use Discord and want to have WaniKani show up as a Presence, I have created a PreMiD Presence.
Get it here:
https://premid.app/store/presences/WaniKani
To use this, you will need the PreMiD app and extension:
https://premid.app/downloads
Example Presence:
I know WaniKani relies heavily on gamification, but are you sure that it counts as an actual game? 
“I’m doing reviews, quit trying to invite me to the squad.” 
That’s actually pretty cool! Nice job
I was looking through the PreMiD docs today to see how to make a presence as I recalled that the last time I checked the PreMiD store there wasn’t anything to do with WaniKani - turns out someone beat me to the punch, haha. This is extremely awesome though - much better than anything I could’ve done.