According to recent studies, he was in fact rough, and loved sake and women; especially in his later years, he was treated coldly even by his comrades of the Tosa kinnoto.
最近の研究では実際には性格は粗く酒色を好んだとされ、殊に晩年は土佐勤王党の仲間からさえ疎まれていたようである。