Streak is a brostep-influenced club track by ARM (IOSYS) that originated not as a maimai commission, but as the musical centerpiece of HALFPIPE TOKYO, a digital-reality attraction at SEGA's Tokyo Joypolis. When maimai PLUS launched on December 13, 2012, Streak was included among the debut song set, making it one of the earliest original tracks in the series' history. ARM (Youhei Kimura), a Sapporo-based producer from the doujin circle IOSYS and a member of the unit Albatrossics, is best known in rhythm-game circles for Touhou arrange classics such as Cirno's Perfect Math Class (チルノのパーフェクトさんすう教室). For Streak, he crafted a sound built on wobbling synth bass, noisy high-frequency textures, and rapid rap vocal layers that weave through dense, stacked beats and breaks. The result is a track that feels significantly faster than its 150 BPM would suggest, a deliberate choice ARM made to match the kinetic energy of the ride cabinet, whose movements he timed the song's progression against. The music video, directed by Seiichi Itagaki (板垣聖一) of IMAGICA Imagica Works, flashes geometric patterns and sci-fi-tinged temple-and-shrine objects, giving the track a futuristic, arcade-era visual identity. In maimai, the song's in-game genre has shifted over time, from JOYPOLIS to ORIGINAL & JOYPOLIS, then to ORIGINAL, and finally to the maimai category, and its chart levels have been adjusted across multiple version updates as the series' difficulty ceiling rose. The Master chart (designed by はっぴー) and Expert chart (designed by 譜面-100号) both offer pattern-driven layouts that mirror the track's relentless energy without relying on extreme gimmickry.