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In general, there's an inverse relationship between how horny a vtuber is on main, and how horny for them in particular their fans are on main. Ina is less horny than a diesel engine repair manual, and the takodachis are overwhelmingly thirsty for her; meanwhile Marine is so horny that Kay Yu added her orgasm as a gameplay mechanic in Holocure, but her fans are horny for everyone except her.
This is in general, though, not 100% of the time. Okayu and her fans are mutually thirsty, to the point where Okayu herself came (heh) up with the nickname "Okazu;" while Korone and her fans are mutually not thirsty, except for a little bit of horniness in outfit reveal streams in which her then-new outfits show a bit of cleavage.