I Got My First Girlfriend... But The Horny Married Woman From Next Door Got To Me First, And I Got A Guilty Erection Nanami Kawakami - Kawakami Nanami

Nanami Kawakami, a married woman and neighbor, seduces the protagonist, who has just gotten his first girlfriend, Shiori. The married woman takes advantage of the young man's innocence and naivety, introducing him to various sexual acts including blowjob and creampie. As the story unfolds, the protagonist finds himself torn between his loyalty to his girlfriend and his newfound desires, which are being fulfilled by the experienced and older married woman. The central kink revolves around the forbidden nature of their encounter, with elements of NTR (netori) as the married woman engages in an affair with a younger man.