[BMS AutoPlay] Felxis - Infernum

EVENT：OLDSKOOL VS FUTUREhttps://manbow.nothing.sh/event/event.cgi?action=More_def&num=19&event=120

https://www.youtube.com/watch?v=YyDuIPc0pnc

「過去と未来」対抗イベント OLDSKOOL VS FUTURE 特設ページ

http://scytheleg.sakura.ne.jp/tempyou/event/oldvsfuture/