Ryuuichi Funaki (船木竜一) is a supporting character in Koe de Oshigoto, voiced in Japanese by Shinya Takahashi. The series' music includes "Koi No Mahou - Orange Blossom || Koe de Oshigoto! OP Full", "Koe de Oshigoto! Ending - Kuchibiru Chakku".