Office worker Matsumoto struggled to connect with his superiors and coworkers, spending each day silently facing his computer. Unnoticed by anyone, however, a deep madness and perversion festered within him. After a certain trigger, he developed an abnormal obsession toward his female coworker, Uta Komori, and proceeded to kidnap and confine her. On the surface, he continued showing up to work as usual, but internally, twisted emotions raged uncontrollably. In a hidden room, Uta lies bound to a bed, enduring isolation and terror as her mind slowly breaks. The story reveals the duality of everyday life—the normal facade and the dark emotions lurking beneath.