An eccentric young man who loves to draw with the help of Horo Tsuyubarai maniac reading detective work together to solve a variety of cases. And the solution is always referring to the story of Detective Ra...

The spring when Minori passed her middle-school entrance exams, her granny called her to her atelier and drew a good-luck charm on Minori's back to protect her. But then, her granny passed away without telli...