Abandon
In the trash is a weird looking fruit. Someone decided to abandon it here.
き
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You reach into the trash, take out the abandoned fruit, and bite into it. OUCH! There's a key (き) inside, and you just bit into it.
An update is needed before you can continue but you have more than one WaniKani tab open.
Finish up what ever you are doing on the other tab(s), then close them to continue.
The update will complete automatically once the other tab(s) are closed.