"Gosenzo San'e Episode 4," the climactic conclusion of the series, masterfully intertwines supernatural intrigue with deep-seated family secrets. As protagonist Gen Hiraga confronts the enigmatic curse afflicting his lineage, he uncovers the Hiraga family's hidden immortality, a revelation that propels him into a labyrinth of moral complexities and forbidden desires. The episode crescendos with Gen's ultimate decision to embrace his ancestral legacy, culminating in a poignant and thought-provoking finale that challenges conventional notions of life and destiny. The animation vividly captures the emotional intensity and suspense, immersing viewers in a world where the past and present converge in a hauntingly beautiful narrative.