Two girls living together in a shared house discover they both find pleasure in choking and suffocation, leading them into a strange and intense relationship. Saku confesses to Aii that she feels euphoric when choked to the point of passing out. Though skeptical at first, Aii decides to try it. The two experiment with various methods—choking, chest compression, suffocating with plastic bags, and gagging—depicting their gradual loss of consciousness. As they awaken to this shared pleasure, their bond evolves in the fragile space between friendship and madness. A disturbing, surreal graffiti of choking, enacted by seemingly innocent girls.