If you clarify where you saw this (e.g., a website, manga title, chat log), I can give you the exact original text or translated scene.
: The story begins when Nanami appears at Mamori's door, leading to a series of escalating sexual encounters.
The first installment opens in medias res – no lengthy exposition. Two characters (likely a couple or friends with benefits) are in a private space (apartment, love hotel, or after a date). The female lead (or the more cautious partner) says to the male lead (or the less cautious one): "You told me you'd use protection, didn't you?"
To help you find exactly what you are looking for, could you tell me:
"Gomu o Tsukete to Iimashita yo ne..." (ゴムを付けてと言いましたよね…) is an adult (H) anime series, with the search string indicating a first-episode, web-sourced, updated file. The series centers on a black-haired female protagonist, often distributed through file-sharing channels. Detailed, reliable information regarding the series can be found on AniDB .
: If you're trying to find information related to this term, consider using it as a search query on popular search engines or on specialized platforms like anime and manga databases (e.g., MyAnimeList, Anime News Network). You might need to remove some of the special characters if they're not recognized by the search engine.
Beyond its literal meaning, the phrase resonates because it touches on several sensitive social layers within modern relationships: