Kekkon Surutte, Hontou desuka

結婚するって、本当ですか 365 Days To The Wedding

Takuya and Rika work at the same travel agency in Tokyo and are both happily introverted and single. But their company is opening a new branch in Alaska next year, and employees without a spouse will be recruited to work there. Desperate to avoid the move, and though they’ve hardly spoken before, they decide to fake an engagement. Can these quiet coworkers become a convincing couple?

(Source: Crunchyroll)