In Tokyo, he worked as a journalist for a Buddhism magazine, 'Meikyoshinshi,' supervised by Seigaku OUCHI; afterwards Konan became famous by editing such magazines and papers as 'Mikawa Shinbun,' 'the Japanese,' 'Osaka Asahi Shinbun,' 'Taiwan Nippo' and 'Yorozuchoho.'
上京後、大内青巒が主管する仏教雑誌「明教新誌」の記者となり、その後は「三河新聞」や雑誌「日本人(雑誌)」、「大阪朝日新聞」、「台湾日報」、「万朝報」などの編集で名を馳せた。