Schwarzschild is an instrumental Drum'n'Bass track composed by Tsukasa (Tsukasa Yatoki) for maimai FiNALE, released on January 11, 2019 as part of the PANDORA BOXXX event's Phase 2 lineup. The title is German for "black shield," a direct reference to the Schwarzschild radius, the boundary of a black hole, which also serves as the visual motif in the song's music video. The movie was produced by HDLV (Kodai Endo), marking his second collaboration with Tsukasa for maimai after Fragrance. The two songs share a visual continuity: observant viewers can spot the same in-game architecture across both music videos, confirming Schwarzschild as a narrative and musical sequel. At 188 BPM, the track drives forward with a relentless breakbeat foundation and sharp synth leads. The chart suite spans five difficulties, with the Master and Re:Master charts assigned to the designer alias "H"ack and "H"ack underground respectively, while the Expert chart was designed by Jack. The Re:MASTER chart, added on May 10, 2019, contains fewer total notes than the MASTER but notably resurrects a high-speed Tap+Slide barrage that directly echoes the climax of Fragrance's MASTER chart, a deliberate callback for veteran players. Schwarzschild also appears in the rhythm game Paradigm: Reboot, where its [CTC] chart reconstructs the patterns from its maimai Re:MASTER layout.