Unlike many mainstream romance or drama manga, this series is strictly intended for mature audiences (18+) due to its explicit sexual content and heavy psychological themes. It is widely discussed in online communities for its intense emotional stakes and the author's distinctive artistic style.
: The protagonist, a lonely wife who discovers her husband's secret hobby. tsuma ni damatte sokubaikai ni ikun ja nakatta free
The added "free" at the end seems to suggest that the article or discussion might be about an incident where someone went to a free second-hand market or flea market without their spouse's knowledge, and it led to some kind of trouble or regret. The added "free" at the end seems to
This translates roughly to: “I shouldn’t have gone to the sales event without telling my wife.” it is explicit in nature.
As an adult anime/manga (COMIC E×E label), it is explicit in nature.