Iori Saeki
... that prior to debuting as a voice actress in 2018, Iori Saeki had been self-publishing songs as a dōjin musician for several years?
... that prior to debuting as a <a href="./Voice_acting" id="mwBK4" rel="mw:WikiLink" title="Voice acting">voice actress</a> in 2018, <b id="mwBK8"><a href="./Iori_Saeki" id="mwBLA" rel="mw:WikiLink" title="Iori Saeki">Iori Saeki</a></b> had been self-publishing songs as a <i id="mwBLE"><a class="mw-redirect" href="./Dōjin_music" id="mwBLI" rel="mw:WikiLink" title="Dōjin music">dōjin</a></i> musician for several years?