Higashide was formerly an in-house writer for the eroge companies Will and Propeller. He wrote scenarios for several visual novels: Ayakashibito (2005) Bullet Butlers (2007) Chrono Belt ~Ayakashibito & Bullet Butlers Crossover Disc~ (2008) Evolimit (2010) Tokyo Babel (2012)

He also wrote scenario "Soukou Akki Muramasa: The Movie" for visual novel Soukou Akki Muramasa: Janen Hen created by Nitroplus.