Leather-fetish woman Hirako Saori is a predator filled with pure desire. She is constantly hunting for her male prey, her instinctive urges easily overpowering reason. Today is the day she captures her target—a pure, innocent student named "Otoko." The scent of leather awakens her primal instincts, and she eagerly anticipates the moment. Surrounded by leather accessories, her world draws others into a whirlpool of lust.