A genius musician with the nickname “man with a million promises”. Also composed music for idols who died sudden and mysterious deaths and currently composing music for Tsubasa.
In one of Tsubasa's side quests, he was kidnapped and brainwashed by Pheros until he was free from her control by Tsubasa's singing.
Chouten is based on the actual composer, Yoshiaki Fujisawa of Genei Ibun Roku #FE, who works as a music producer for Avex Group. The difference between the two is that the character ingame wears red glasses.