Yome no kokuhaku: Sugoi! Otôsan no yubizukai (1998)

Synopsis

Three years after her husband passed away, the widow is still taking care of her father-in-law, a novelist, and has not divorced her husband. The widow was dozing off next to her father-in-law, who was writing an essay on a word processor, when he came to deliver her homemade strawberry jam and fell asleep while talking. The essay she was writing next to him was titled "My Daughter-in-law, Me, and Strawberry Jam" and it seems that her father-in-law is also attracted to her. She has a sex friend, but it is a man who was her husband's best friend, and she only sees him as someone to relieve her sexual frustration, but the man is in love with her...