JAPANESE TRANSLATION: ─彼女の浮気セックス現場を盗聴してたら、彼女が笑いながら相手の男を殺してた。────クズ人間の俺にやっと出来た、年上巨乳美人の彼女・加奈さん。何歳だとか出身はどこだとかは知らないけど、こんな俺と付き合ってくれる優しい人。それだけで満足だった。ある日、なかなかセックスさせてくれない加奈さんの事が気になって出来心で盗聴してしまう。が、すぐに後悔する事になる。俺もセックスしたら殺されるのかもしれない。だけど、どうしても俺、加奈さんの事が好きなんだ…。

Google Translation to English: ─ When I was tapping her cheating sex scene, she laughed and killed the other man. ──── Kana-san, an older busty beauty, was finally made by me as a junk person. I don't know how old I am or where I am from, but I'm such a kind person who goes out with me. I was satisfied with that alone. One day, I was worried about Kana-san, who wouldn't let me have sex, and eavesdropped on her. However, I will soon regret it. I may be killed if I have sex too. However, I really like Kana-san ...

A college student, estranged from his friends and family, hooks up with his older female co-worker. Despite dating for 6 months she still says he's too young to have sex with her. Concerned that she's cheating on him, he uses a hacked app to spy on her through her phone, and what he sees he never expected.