My husband is Ama-chan

The manga takes place in Japan in the Edo period and follows a husband, who is a constable but also an "idiot," and his wife, who disguises herself as a man. Tsukiya Benito, who is a constable, is, to put it simply, a "good person." To be honest, he is something of an idiot. None of his assistants will stay for very long. His wife, Saya, came up with the idea of dressing up as a man and becoming her husband assistant. Married couple investigators, great success in the town of Edo