The series originated as a doujinshi manga before being professionally published and eventually adapted into animation:
While cleaning their bedroom during one of Taka's absences, Yumiko discovers a hidden collection of "hardcore doujinshi" (fan-made adult comics). This revelation shocks her, as she believed her husband had a low libido and was disinterested in the intense intimacy depicted in the books. tsuma ni dammatte sokubaikai
「妻に内緒で即売会に行くんじゃなかった-チャラ男の執拗なセックスに抗えずヨガり狂う俺の嫁-」は、みな本によるオトナコミックで、ナイトコミックから出版されています。 コミックシーモア Tsuma ni Damatte Sokubaikai ni Ikun ja Nakatta - IMDb The series originated as a doujinshi manga before
妻に黙って即売会に行くんじゃなかった-チャラ男の執拗なセックスに抗えずヨガり狂う俺の嫁-：コミック：感想・レビュー｜【コミックシーモア】漫画・電子書籍ストア国内最大級！無料・試し読みも豊富！ Her vulnerability is exploited by their neighbor, a
Feeling neglected and curious about the passion shown in the comics, Yumiko's restraint begins to crumble. Her vulnerability is exploited by their neighbor, a younger man named Kazuya , who catches her in a compromised moment and initiates an affair.
The title's phrase, which translates to "I shouldn't have gone to the convention without telling my wife," refers to Taka's secret hobby. His "business trips" are actually visits to large-scale doujinshi conventions (sokubaikai). The irony lies in the fact that while he is away indulging in his private passion, his wife is finding solace in someone else's arms. Media Adaptations