>>35984946The best you'll have are sibling gens like how MaFia (then TriNero) and ID1 debuted together, and Uproar with ID3 to a lesser extent, but I don't see Cover debuting 9 new English speaking vtubers in the spam of a week.
>>35985875>Does stars have to be exclusively all boys?Yes, it's the model. Want it or not Holopro still follows an idol group model, so even if boys and girls can interact they're ultimately on separated groups.
