>>275268533.4% of women identify as lesbian or bisexual*. About half of those are exclusively gay. If you want to be extremely generous and compensate for the "entertainers tend to be weird" effect you could imagine 1 in 10 holos being lesbian or bisexual. There are 68 members of hololive and all the males are gay. That leaves like, Reine and Miko.
*studies performed after 2012 show the rate of "bisexual" women rising as high as 30% but this is social contagion and can be ignored
