>>59526952She probably tried to get back into things, burnt herself out, and now feels doubly depressed because it looks like she wanted to sabotage Advent on purpose.
Honestly, she should just soft retire. Let Cover pay her to ensure that Gura as a character continues to exist, and give her the typical cut of merch sales and membership payments.
Stop streaming. Do occasional appearances for concerts or to boost other Hololive chuubas.
The alternative is a radical new gimmick change, but she would need to fully commit to it as if she were debuting a second time. Too risky.