>>66421984Numbers and VTubing simply isn't the main part of everyone's lives, they're probably happy with their audience as it already stands. All of these girls also sell a ton of merch, and average a relatively high viewership, thus not really needing more fans in order to gain fair amount of money.
Ina's on vacation with her family, and will soon go to Japan for the rehearsals of the HoloFes; Fauna is also on vacation with her family, and will be back in a couple of weeks; Mumei is mainly focusing on her graduation, and is coming back as soon as she finishes uni; and Gura has some shit happening in her life, probably on the mental side since she's basically doing what Haachama did last year. It just comes down to their wishes at the end of the day, some people stream more and take less vacations while some people are more concentrated on the constant grind and/or are simply not busy with their personal lives.