Tsukushitagari na Uchi no Yome ni Tsuite Deretemo Ii ka?

A girl from school, known for her beauty, asks the narrator to marry her, and soon they begin living together as a married couple. The arrangement is not based on love but is instead a contractual agreement. When the narrator questions her strong attachment, she responds with a pout, calling him naive. The story is a comedy centered around their unusual marriage, which began abruptly and continues with an ongoing, seemingly happy dynamic.