Mattaku Saikin No Tantei To Kitara

nagumo keeichirou was a genius high-school detective. no case was complex enough for him. but what happens to genius detectives when they get older? now 35, with bad hips, running a failing detective agency with no cases to solve and struggling to pay the rent, he’s at a dead end. in comes a high school girl in his office who says she wants to work with him. with her help, will the out-of-touch, old-fashioned nagumo get back the fire of his youth?