Well, one way could be to involve him in the manga world. Maybe start by sharing some of your favorite manga moments with him and see if he gets interested. Another approach could be finding manga that relates to his interests and introducing it to him gradually.
It's a rather dark and extreme topic. In a novel, one way could be through elaborate planning and execution of a complex plot involving various elements like poisoning or setting up a fatal accident. But such themes are not ethical or advisable in real life.
First, give yourself time to process your emotions. Don't rush into any decisions. It's important to talk to someone you trust, like a close friend or family member. They can offer support and an outside perspective.
First, recognize that it's wrong. Then, try to limit your contact with that person. Avoid being alone with him. Focus on your relationship with your husband, remind yourself of the good times and the commitment you made.
You can start the day with breakfast in bed for your husband. Prepare his favorite foods like pancakes or omelets. Then you can plan a special activity together, such as going to a local art gallery or a movie he's been wanting to see.
One common theme is power dynamics. There's the contrast between the boss's position of authority and the employee's more subordinate role, which creates an interesting tension. Another theme is secrecy. Since office romances are often frowned upon, the characters usually have to keep their relationship a secret at first.