Kubikiri Cycle - Aoiro Savant to Zaregoto Tsukai(2016)

Kubikiri Cycle - Aoiro Savant to Zaregoto Tsukai is a mystery series following an unnamed protagonist who stumbles into a web of murders and puzzles despite his desperate attempts to remain uninvolved. Each time he's pulled into the center of unfolding crimes, he believes his interventions matter—only to discover they were ultimately inconsequential. The series plays with the tension between action and futility, as the protagonist finds himself repeatedly entangled in mysteries where his role proves far less significant than he assumes. Dark and philosophical, the show explores themes of agency and inevitability through interconnected cases that challenge what it means to solve a crime.