While the protagonist is away enjoying the convention, Minori is left alone at home (or visited by someone). Due to a misunderstanding, a predatory third party (often a delivery man, a neighbor, or an acquaintance depending on the specific route/version) interacts with Minori. Because the protagonist is unreachable or has neglected to protect her, the antagonist takes advantage of the situation.
The story follows , a wife who feels neglected by her husband's constant business trips. While cleaning, she discovers his secret stash of erotic doujinshi (self-published works), leading her down a path of self-discovery and temptation with a younger neighbor, Kazuya. The series is known for its: tsuma ni damatte sokubaikai ni ikun ja nakatta install
妻に黙って即売会に行くんじゃなかった - Amazon.co.jp While the protagonist is away enjoying the convention,
OVA 妻に黙って即売会に行くんじゃなかった ＃2 [中文字幕]_4K tsuma ni damatte sokubaikai ni ikun ja nakatta install