The part that received most attention in this book was the place where he claimed to be the 'former soldier' of Shinsengumi, who was considered to be the suspect of the 'Assassination of Ryoma SAKAMOTO,' the incident of that period which received most attention.
本書の最も注目される点は、同時代の事件の中でも最も関心を呼ぶ「坂本龍馬暗殺事件」について、その殺害容疑者と噂された新選組の「元隊士」として言及している点である。