Nobuhiro "Taro Kawaguchi" Mashiro

Age: 35 (deceased) Moritaka's uncle. He died due to overwork, but Moritaka thought he committed suicide until he saw his work. He uses his pen name Taro Kawaguchi (川口たろう) for his works. He liked Miho's mother, but was too late to confess to her. (Source: Wikipedia)