SDDE-554 Erosion Possession: Hands, torso, legs, brain, entire body. - A confinement record in which a man gradually becomes possessed by a girl's body.

A mysterious VTR that arrived at SOD. - Man P, who is still unable to completely possess a single person, invites the girl to his house and spends a week slowly possessing each of her body parts, including her hands, torso, legs, and brain. - A girl's body is gradually taken over by a man. - An ambitious work that completely overturns not only the possession genre, but also the common sense of AV.