Makoto grew up with only her Grandfather to take care of her, her parents passing when she was only 3, her Grandfather was a great detective countless cases and as she started to grow older she wanted to help him more than anything, which led her to assisting on a case when she was only 14, playing a key role in the conclusion of the investigation. At 18 she was dubbed the 'detective prince' due to her handsome and boyish look and her status as a detective prodigy