Dentaku Keiji 電卓刑事(2017)

Dentaku Keiji is a Japanese detective series following Chika Tsuchiya, a former accountant turned investigator who brings an unconventional skill set to crime-solving. Unable to shake her accounting background, Tsuchiya carries a calculator everywhere and instinctively converts every case detail into financial terms. This quirky habit—viewing crimes through a monetary lens—becomes her unexpected strength as she tackles cases that others overlook. The series blends detective work with dark comedy, exploring how her obsession with numbers and money creates both obstacles and breakthroughs in her investigations. Tsuchiya's unique perspective transforms routine police work into something entirely fresh, proving that sometimes the most unusual minds crack the toughest cases.