In front of my husband's watching ... Kana Morisawa, a young wife who was observed by her husband for fellowship with her brother-in-law - Kana Morisawa (Kanako Iioka)

Kana Morisawa, a young wife, is observed by her husband as she engages in a cuckold relationship with her brother-in-law, Mikio. Mikio takes advantage of Kana, performing various sexual acts on her, including oral sex and intercourse, while her husband watches. The central kink of this movie is the cuckolding and voyeurism, with Kana's husband aware of and observing the affair between his wife and his brother.