Beneath the Stains of Time: The Argentinean Butterfly Mystery: C.M.B. vol. 13-14 by Motohiro Katou

Beneath the Stains of Time: The Argentinean Butterfly Mystery: C.M.B. vol. 13-...: Motohiro Katou's C.M.B. vol. 13 comprises of four, one-chapter stories starting with one of those human, heart-shaped puzzles, "Th...