He started to write poems and prose poetry during World War II when materials were difficult to obtain, and created his prose poetry 'Hi no chikai' (literally, fire oath) on a woodcut by Shiko MUNAKATA in 1947.
材料の入手が困難であった戦時中より詩、詞の創作を始め、1947年には寛次郎の詞「火の誓い」を棟方志功の板画で制作。