Riichi Yokomitsu: 4 works in the original Japanese, with translation

Queen of Yamatai, mentioned in the 'Account of the Wa People' in the Records of Wei. In the third century she sent envoys to Cao Wei and received the title 'Ruler of the Wa, Friend of Wei.' Yokomitsu Riichi used the fragmentary records of the 'Account of the Wa' as material, setting the story in ancient Kyushu.

Ferric chloride is a traditional etching solution used to corrode metals such as copper and brass. To make nameplates, the lettering must be etched into the metal plate using chemicals, so the workshop cannot do without highly toxic substances.

A kuruma (rickshaw) here means a jinrikisha, and 「舵棒」 refers to the shaft handles the rickshaw man grips. When a passenger arrived at the door, the rickshaw man would first set the shafts down on the entrance stone, then help the passenger down from the carriage hood—a common greeting-and-seeing-off routine at inn entrances of the time.

A tuberculosis sanatorium. From the Taishō era to the early Shōwa era, tuberculosis raged in Japan with no effective medicine; patients were sent to sanatoriums on hillsides in the suburbs for long-term rest cures, their illness drawn out through climate, nutrition, and rest therapy. The sunbathing, liquid feeding, and repeated deathbed pronouncements in this text all reflect the daily life of sanatoriums at that time.