If you are looking for an "Episode 7," you might be referring to the often included in complete collections (such as the 7-DVD bundle) or perhaps a different title within the same genre. Series Overview & "Good Review" Summary
: While Yosuke is preoccupied with work, Misako feels sexually neglected and emotionally isolated. This vulnerability is exploited by her cold and rebellious stepson, Kazuhiko, who eventually traps her in a forbidden relationship after discovering her private secrets. Taboo Charming Mother English Subtitles Episode 7l