Fujimori got his start on the PlayStation game Gungage. He made his BEMANI debut in the 2001 PlayStation game DanceDanceRevolution 5thMIX CS. Originally a DanceDanceRevolution exclusive composer, working as a sound producer/director of several PlayStation 2 DanceDanceRevolution titles, since beatmania IIDX 10th style Sota has been one of the biggest names in beatmania IIDX games.
He is well-known for his complicated, energetic synth/trance songs; his earlier beatmania IIDX songs often featuring the robotic vocals of cyborg AKEMI, or other robotic-sounding vocals.
Sota is also a regular composer for pop'n music since pop'n music 13, jubeat since jubeat ripples, GuitarFreaks & DrumMania since GuitarFreaksXG & DrumManiaXG, and Reflec Beat since its beginning. He also still contributes occasionally to the DanceDanceRevolution series, although currently only for arcade games. He also did all the background music for the Sound Voltex series, jubeat saucer fulfill and Reflec Beat groovin'!!
He is also a regular contributor to Konami's non-BEMANI titles. His resume includes Castlevania Chronicles, Contra: Shattered Soldier, Neo Contra, the Winning Eleven series, both Rumble Roses titles, the Quiz Magic Academy series, and Road Fighters.