A lot of vtubers show their face, I'm not sure what happened with Mel, so we can't really say for sure what she did that was so bad to get her fired.
Honestly, I'm more surprised that she was fired before Matsuri. (considering the current contents that they are providing)
Hopefully her mental recovers soon.
Choco-sen / Guutara is good friends with her, maybe they'll do more collabs as Rika / Guutara.
Kson got really popular lately, guutara was in one of kson's streams, was wondering why Rika didn't try to join.
Maybe she'll do more collabs with her close friends.
I mostly watch her for her ear licking content though
She's definitely one of the more prettier girls in hololive.