a virtual K-pop group composed of video game characters
... that a virtual K-pop group composed of video game characters topped Billboard's World Digital Song Sales chart in November 2018?
... that <b id="mwYw"><a href="./K/DA" id="mwZA" rel="mw:WikiLink" title="K/DA">a virtual K-pop group composed of video game characters</a></b> topped <i id="mwZQ"><a href="./Billboard_(magazine)" id="mwZg" rel="mw:WikiLink" title="Billboard (magazine)">Billboard</a></i><span about="#mwt20" class="nowrap" data-mw="{&quot;parts&quot;:[{&quot;template&quot;:{&quot;target&quot;:{&quot;wt&quot;:&quot;'s&quot;,&quot;href&quot;:&quot;./Template:'s&quot;},&quot;params&quot;:{},&quot;i&quot;:0}}]}" id="mwZw" style="padding-left:0.1em;" typeof="mw:Transclusion"><span typeof="mw:Entity">'</span>s</span> World Digital Song Sales chart in November 2018?