In "Nihonshoki" (Chronicles of Japan), there is no description of Nukamushi's achievement in the Jinshin War, however, according to the following article, he was given a rank after the war, therefore, he is considered to have supported Oama no Miko in the war.
『日本書紀』が壬申の乱について述べるくだりに糠虫の名は現れないが、後述の贈位記事によって大海人皇子側で何らかの活躍をしたことが知られる。