https://www.dlsite.com/maniax/work/=/product_id/RJ01286070.html
https://www.dmm.co.jp/dc/doujin/-/detail/=/cid=d_459478/

Title: A plump married woman falls for a young manager

Base +21, blaqkthespian +6

[Synopsis]

She has been married for 20 years.
Her son went to Tokyo to go to college and she began living alone with her husband.
However, her husband was so absorbed in his work and hobbies that he didn't pay any attention to his wife, Atsuko and she felt more and more lonely every day...
To ease her loneliness, she had no choice but to comfort herself every night.
A lonely night that she couldn't tell her husband about and didn't want anyone to know about...
However, it was Ken, the apartment manager who lives next door and is more than 20 years younger than her, who found out about her secret.
The moment Ken saw her, Atsuko's fate began to go awry.
At first, he tried to force a relationship with her with light threats but Atsuko couldn't resist and crossed the line.
However, Atsuko, who was torn between guilt and pleasure, gradually became dominated by the body and passion of the young Ken, both in mind and body...
Despite being tormented by a sense of immorality, Atsuko, a married woman, falls for the young Ken. What is the new desire that Atsuko finds?

Base +22, Xhion Pime +7, nuts987 +13