In 1950s Tokyo, only the Rose Cross Detective Agency can tackle the cases that the police won't touch. Enokizu is an eccentric private eye with psychic abilities, and Chuuzenji is a surly used book store owner with an encylopaedic knowledge of obscure trivia. Together with their associates, they seek justice for the victims. Stand-alone side story to the Kyougokudou series, beginning with Ubume no Natsu.