A solo project by a male Tokyoite. Serph released his first album "accidental tourist" in July 2009, only 3 years after beginning the piano and composition. Since then, he has constantly been releasing his works. In January 2014, he held his first solo concert and live performance that sold out at LIQUIDROOM. In July 2016, he released his updated greatest hits album "PLUS ULTRA". In April 2018, he held his second solo concert and live performance for the first time in 4 years, which was a great success. In September 2020, he released "Disney Glitter Melodies", an official Disney music cover album from Walt Disney Records. In April 2021, he performed at Secret Sky 2021, an online festival organized by Porter Robinson. Serph is also known as Reliq and has released four albums to date. He also creates tracks and remixes for other artists, produces music for commercials, web advertisements, TV drama series, planetarium exhibitions and more.