In a world where humanity harnesses the power of Edeya, the essence of the human soul, society thrives on combat prowess. Park Jinsong, burdened with an F-rank soul and combat ability, endures ridicule and isolation due to his perceived weakness. Little did he know that his Edeya, initially labeled as low-tier, harbored the formidable 'Absolute Killing Intent' of an S-rank. Struggling with this revelation of his inherently lethal nature, Jinsong grapples with self-worth as he navigates a society fixated on soul rankings. Can he tame his murderous instincts and challenge the notion that the worth of a soul transcends mere classifications?