Yomoshichi Sato

Yomoshichi Sato is the lover of Osode Yotsuya. At the beginning of the story Yomoshichi stopped Gonbei Naosuke from sexual harrassing Osode. He was assumed dead when Naosuke repeatly stabbed a man multiple times believing his is Yomoshichi. It is revealed that Yomoshichi is alive and Naosuke realized that he killed the wrong person.