My Beloved Girlfriend Climaxes Beyond the Screen

Synopsis

Inui Satoshi, a university student, has a girlfriend named Mikuriya Ai—a beautiful and cheerful female student he’s known since high school. After confessing his feelings, they began dating, spending time together and occasionally having sex. Everything seemed perfect with no complaints.

One day, his father calls with news that his uncle has fallen ill, and Satoshi is tasked with taking over as the apartment building manager. Though reluctant, he accepts the position. But on his first day monitoring the security cameras in the manager’s office, he witnesses something shocking.

The apartment building he now manages is where his girlfriend Ai lives. And the security footage clearly shows her entering an elevator clinging intimately to a stranger—a man he’s never seen before.

His beloved girlfriend is having an affair. Yet she seems happiest and most carefree when with this other man, despite their relationship having no apparent problems.

Confused and uncertain how to verify what he’s seen, Satoshi suddenly realizes his position as building manager grants him access to install surveillance cameras in her apartment. And so begins his descent…