Decapitation cycle: the Blue savant and the Master of nonsense (Kubikiri Cycle: Aoiro Savant to Zaregoto Tsukai) (№ 362471)

These mysteries like "murder in a closed room" is very simple, fans of the detective genre flick them once or twice. Only when faced with them in real life, they suddenly knock us down. The smell of blood and the taste of death darkens the mind.