The eldest of the three Miura brothers and the protagonist. He takes on the responsibility of taking care of his siblings following their father's death. After several failed attempts to find employment, fate seems to be on Chiaki's side when he receives a job offer from a mysterious man on his way to an interview. Unbeknownst to Chiaki, this job would take him on the strangest adventure of his life.
He cares deeply for his brothers and will do absolutely anything to make sure they are happy.

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