If you're looking for anime similar to Nazotoki-hime wa Meitantei, you might like these titles.
Subaru Sumeragi is a descendant of an ancient clan who wields immense powers of the yin-yang. Because of his supernatural abilities, he doubles as an investigator for paranormal crimes and situations in Tokyo. With his twin sister Hokuto and comrade Seishirou Sakarazuka at his side, Subaru soon becomes involved in two cases which may cost him his life!