乐曲本体：By Your Side could only be played on the Utakatsu! Super Live 2015 (ウタカツ！スーパーライブ2015) event on March 22nd, 2015, in both jubeat prop and jubeat plus. Alongside the other songs from said event, it has never been available in another arcade or mobile jubeat release for all players. | Jubeat plus Unavailable Songs