Hideki Matsushige is a Japanese musician, guitarist, composer, and producer, known for being the co-founder, lead guitarist for the Japanese rock band Kazha. He has been working with Japanese singer-songwriter Kazuha Oda for over a decade. They released their first album Overture in 2010. He has released 2 EPs, 3 albums, and 1 single with Kazha. He has appeared and performed at numerous anime and comic conventions with Kazha as guests of honor.