My Contract Husband Resembles the Male Protagonist

Four months into the marriage. I began to wonder about my husband’s constant outings. My husband would go out every morning and come back at night, which was suspicious, so I looked around, but my husband just worked diligently and came back. There was nothing strange. Since it was a contract marriage anyway, we decided not to touch each other’s private live... Why do I sometimes feel a sense of discomfort from him? Source: MU Includes 5 side story chapters.