Released as the flagship theme song for maimai でらっくす UNiVERSE, "とびだせ！TO THE COSMIC!!" marks a milestone in the series' original soundtrack. Composer t+pazolite, a mainstay of the maimai original roster since his debut with "Blew Moon", returns to helm a version theme for the first time, delivering an upbeat, high-energy pop track built around call-and-response vocals and a relentless 185 BPM groove. The song brings two beloved partner characters, Shama (CV: Atsumi Tanezaki) and Milk (CV: Asuka Itou), from the background to the spotlight: previously limited to partner-role voice lines, this is their first full vocal performance in the series. The music video, directed by Hideaki Tsutsumi, visually unifies the narrative threads of earlier maimai originals, the cat-shaped dome from "Oshama Scramble!" and the cosmic setting of "QZKago Requiem", establishing a loose story arc across the DX era's mascot lore. Beyond its role as a celebratory opener for the UNiVERSE edition, the song carries notable chart-design pedigree. The Master chart, crafted by はっぴー (Happy), originally debuted at level 13 before being re-evaluated to 13+ (13.7) in UNiVERSE PLUS. Rather than pursuing the punishing extremity of earlier t+pazolite charts like "Our Wrenally" or "Garakuta Doll Play," this chart is deliberately more approachable, a "citation festival" that weaves together pattern motifs drawn from nearly every prior t+pazolite song in maimai, functioning as both a tribute medley and a practical stepping stone for players graduating into higher difficulty tiers.