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The God of Music (音楽神,Ongakushin?) is a god from the Divine Realm that excels in musical arts. He is pretending to be Touya's cousin and the eldest son of the Kōsuke Mochizuki using alias Sōsuke Mochizuki (望月奏助,Mochizuki Sousuke?).
The god of music is good looking youth with blond hair in his mid twenties.
His alias, Sōsuke, is written in kanji as 奏助, which contains the kanji 奏, meaning to play an instrument