Meiji Jingu with Kohei Gomi of Pain Jerk, Ise Jingu with Masahiko Ohno of Solmania, Heian Jingu with Toshiji Mikawa of Incapacitants, and Atsuta Jingu with Kohei Gomi, Masahiko Ohno and & Toshiji Mikawa. In 2005 he cooperated with the Italian experimental artist Maurizio Bianchi for two projects titled "Junkyo" (Noctovision) and "Mectpyo Saisei" (Para Disc). In his memory, his friend Eric Lanzillotta shared a live recording of a collaboration between him and Akifumi on Soundcloud, which was recorded in 2004. Discography Albums Hydrophobia (water) (1991), Vanilla Records, Japan Spindrift (water) (1992), G.R.O.S.S. (Re-issued 2016 and 2020) Flash-Point (glow lamps) (1993), G.R.O.S.S. (Re-issued 2017) Flood-Gate (water) (1993), G.R.O.S.S. 500 copies, Vanilla Records, Japan (Re-issued 2019) Submerged Tension Remix (water) (1993), G.R.O.S.S. (Re-issued 2017) Luminous (fluorescent & glow lamps) (1993), G.R.O.S.S. (Re-issued 2017) E-Power (voltage-controlled oscillator) (1994), G.R.O.S.S. (Re-issued 2017) Purification to Numbness (voltage-controlled oscillator) (1994) G.R.O.S.S. 100 copies, Pure Records USA 900 copies. Frequency for Collapse (sounds of Daiku Building, Okayama) (1994), G.R.O.S.S. (Re-issued 2017) Emotional Oscillation (voltage-controlled oscillator) (1994), Old Europa Cafe, Italy G-Radiation (glow lamps) (1994), G.R.O.S.S. 500 copies, Fever Pitch Records UK Wired Trap (steel wire) (1995), G.R.O.S.S. 100 copies, Self Abuse Records USA 900 copies. Entangle Spirant (steel wire) (1995), Drahtfunk-Products Metalustration (voltage-controlled oscillator) (1995), G.R.O.S.S. 50 copies, Bloodlust! Records USA Squash (tin can) (1995), G.R.O.S.S. 100 copies, Chocolate Monk UK Pulse Resonator (voltage-controlled oscillator) (1995), G.R.O.S.S. 275 copies, Praxis Dr. Bearmann, Germany Can-Zone (tin can) (1995), G.R.O.S.S. 50 copies, Soja-Sauce Bolognese, Switzerland Magnetostriction (magnetic resonance spectroscopy) (1995), G.R.O.S.S. 777 copies, God Factory, Netherlands Métal De Métal (metal pieces) (1995), G.R.O.S.S. 1000 copies, Manifold Records USA (Re-issued 2008) Grind Carve (voltage-controlled oscillator) (1996), Slaughter Productions, Italy (Re-issued 2021) Spiral Tricle Distillation (water) (1996), Rund Um Den Watzmann, Netherlands, 500 copies Floating Memory (voltage-controlled oscillator) (1996), G.R.O.S.S. 100 copies, Napalmed Records, Czech Republic Bugs In The Circuits (digital signals) (1996), G.R.O.S.S. 500 copies, Heel Stone Records, Germany Maschinenwerk (original sound by Cock E.S.P.) (1996), G.R.O.S.S. 1000 copies, Charnel Music, USA Infinitely Orbit (Roland SH-2 Synthesizer) (1996), G.R.O.S.S. 500 copies, Alchemy Records, Japan Somnambulism (Roland SH-2 Synthesizer) (1996), G.R.O.S.S. 111 copies, Kadef, Germany Feed the Fishes (water) (1996), G.R.O.S.S. 150 copies, Betley Welcomes Careful Drivers, UK Moment in Fragrance (Roland SH-2 Synthesizer) (1996), G.R.O.S.S. 150 copies, Cling-Film Records, Belgium Stared Gleam (glow lamp) (1997), G.R.O.S.S. 1000 copies, Iris Light Records, UK (Re-issued 2014) Aqua Syndrome (water) (1997), G.R.O.S.S.