Create Marital Problems Manga

Romance slice of life my main character is this black haired girl who just got engaged to her long boyfriend and as he started this new job his coworker a blond haired girl they started to be friends at work and they got too close like close friends but everyone called them a couple because they acted like it then his wife gets suspicious of her husband and next thing you know the blond haired coworker mada a first move to the husband and they kissed and they confessed their feelings for eachother then he had an affair with the blond ( she is super pretty ) girl while his wife the black haired girl followed her husband to work to spy on him because she became insane because her husband put a password on his phone hides his phone and its not sexual with his wife and she stalks him to work and founds out that her husband is eating out with the blond girl in his lunch time and they kissed and she gets home cries but she would keep it a secret cuz she can't leave his husband she is too attached then months and months of this happening the blond girl gets pregnant the black haired wife its devastated and broken and miserable cuz she knew that her husband wanted a child with her so much to start a family and stuff and something happens the husband tells his wife that he has a other girlfriend and she is pregnant and he wants to keep the baby and he has no feelings for his wife and he tells her to leave but the husbands mom calls and wants to visit and he panicked and said to his wife to stay and pretend that they are happy but he will get his pregnant girlfriend moved into the house and live with them and the blond girl moves in and the ex wife have a huge fight but the husbands goes to have sex with his girlfriend and the ex wife cries and cries and the blond girl does evil things to the wife and the husband loves it and you can continue with the story from now on