In karaoke mode, the font does not use the custom font in the settings, and there is no fallback font

[TeoZler]

Test cases: 私は貴⽅に⾦輪際 出会えないけど

Where “⽅(U+2F45)” and “⾦(U+2FA6)” will have missing fonts.

[0tkl]

「微软雅黑」里的康熙部首（Kangxi Radical）就是比中日韩统一表意文字（CJK Unified Ideographs）更细的