The red Fox represents Tempo, the main playable character of HarmoKnight who wears a red tunic.
The stage features an automatic side-scrolling function, referencing the auto-scrolling gameplay of HarmoKnight.
The music track represents the musical theme of the Fruit Basket minigame in Rhythm Heaven Megamix, a rhythm genre game similar to HarmoKnight.
Fox starting off with a Home-Run Bat and the Reflect-Damage Buffed rule reference the boss battles in HarmoKnight, where Tempo can damage the bosses by swatting the projectiles back at them with his staff.
