>>98798230She's in grad school and lined up for a successful career, which is also what her parents want her to do.
She still does occasional collabs with the NijiEN girls, and pokes her head into JP stuff when she can hang out with celebrities. But other than that there's little reason to care about Nijisanji.
She's keeping her options open in case she can't get a job, or possibly she will use Nijisanji to hook herself up with a behind-the-scenes job. She's never returning to streaming unless her life goes seriously downhill and nothing works out for her.