This is a set of 15 volumes of the Detective Team KZ Case Notes. Individual sales are available ⭕️, so please feel free to contact me. "The Idol Prince Knows" "The Golden Rain Knows" "Cinderella's Castle Knows" "The Convenience Store Mask Knows" "The Real Halloween Knows" "The Missing Black Cat Knows" "The Black Infirmary Knows" "The Ghostly Computer Knows" "The White Witch at the School Gate Knows" "The Shadow Boss of the School Knows" "The Cursed Love Story Knows" "The Torn Page Knows" "The Library in Love Knows" "The Black Classroom Knows" "The Heartworm Knows" These are the 15 books in total.