https://www.dlsite.com/comic/work/=/product_id/BJ136254.html As always, please support the artist and buy his works.
Honey and Poison - Vengeance of a Grudge
A cold marital relationship. An affair like sweet nectar with the one who heals your heart. But - that love is too heavy. It is too painful. -- "Machiko
Machiko lives with her lovely daughter, son, and husband. Suddenly, her supposedly happy life begins to become distorted. Sanitary products and contraceptives for women left in front of her house. Machiko was bullied at work, and her husband's adulterous lover visited them. Shaken with anger and loneliness, Machiko spends the night with Otsuka, a young employee at work who is kind and friendly to her. Machiko takes advantage of Otsuka's natural kindness and escapes from reality, but this leads to an unexpected turn of events... Madness caused by love strikes the family! What is the fate of Machiko and her family?