Yeah, take it with a grain of salt since i found this info on a wiki of all things, but she also used to retweet NSFW art of her and other worksOne of her streams before she joined holo was of her suspiciously eating a popsicle or sausage (I cannot remember) with half her face mysteriously hidden from the screen. Either she's really holding back or she simply wants to put for a different type of entertainment
Its good that she made a hard switch from being an honorary Vshoujo member to being a stright man type with a great voice