>>70236678It's because some people who watch Hololive also watch Phase. Random Tenma stream, 40% of the audience watches Hololive.
Looking at the most recent streams
Pippa-31%
Airi-46%
Clara-50%
Uraka-49%
Lia-34%
Dizzy-41%
Shiina-49%
Panko-41%
Hina-55%
Runie-46%
Emi-43%