Hoshimachi Suisei
... that Hoshimachi Suisei was part of the first live studio performance by virtual YouTubers in Japanese radio history?
... that <b id="mwBQc"><a href="./Hoshimachi_Suisei" id="mwBQg" rel="mw:WikiLink" title="Hoshimachi Suisei">Hoshimachi Suisei</a></b> was part of the first live studio performance by <a class="mw-redirect" href="./Virtual_YouTuber" id="mwBQk" rel="mw:WikiLink" title="Virtual YouTuber">virtual YouTubers</a> in Japanese radio history?