Yonedasan Shigoto Shite Kudasai

Yoneda Hikaru is a detective. Akita Komachi is the son of a servant of the Yoneda head family and a childhood friend of Hikaru's. He's a beauty, but has a pretty big flaw: his nagging personality. Then there's Hikaru's nephew, Souta, who insists on joining them at their office.