Born December 31, 1980, Hayashi used to be a rhythmic gymnast. His history in music began in university when he started creating music pieces for rhythmic gymnasts as a hobby for 5000 yen a piece.
When he started getting requests from other universities for his music, his interest in music producing grew. After graduation, he was taught music for 6 months by a rhythmic gymnastics music producer, and now, he handles music for various sports.
He also arranges music for dance, athletic competitions, companies, independent movies and recently, TV dramas and anime.