Arai Naohito is a CODA (children of deaf adults) who becomes a sign language interpreter after losing his job and family in order to restart his life. (Source: Drama Otaku) ~~ Adapted from the novel "Deaf Voice: A Sign-Language Interpreter in Court" (デフ・ヴォイス 法廷の手話通訳士) by Maruyama Masaki (丸山正樹).