Alright, here's the short and straight take I keep telling friends: there isn't an official, verified bust measurement for Emiru published by any of her official channels. I checked the kinds of places creators usually put those details — their official website, agency profile pages, the bio on 'Twitch' or 'YouTube', and pinned posts on their social accounts — and for Emiru there's no formal numeric measurement listed. Fans sometimes speculate or joke about sizes in chat and on forums, but that's unofficial and often wildly inconsistent.
I prefer to focus on what she actually shares: streams, cosplay, art, and community events. Those give a much clearer picture of who she is as a creator than a single body measurement ever could. If an official profile ever does include that sort of stat, it would most likely appear on a verified page or in a press kit, and I'd treat that as the reliable source. For now, though, there's nothing concrete to quote, which I actually respect — privacy matters, and her content speaks louder than any number.