I'm a quiet, bookish guy. After school, when I found myself alone with my girlfriend in the library, I couldn't hold back and forced myself on her. Our act was secretly filmed by physical education teacher Okazaki, who then began blackmailing her. The tension, guilt, and her frightened expression still haunt me. This intense, erotic drama unfolds in a confined space, heightened by the unexpected surveillance, drawing readers into its gripping narrative. The quiet school library after hours becomes a symbol of hidden danger and desire lurking beneath everyday life. A powerful story exploring the protagonist's inner turmoil and conflicted feelings for the girl.