Looking for a manga.

[LiwuidMoko]

Hello! I am searching for this ongoing (?) manga that I read before I made this account.
It was about 2 office workers who didn't want to go to Russia so they ended up faking a relationship and they told all their coworkers that they were going to get married.

The girl has a short black hair and she likes geography.
The boy has brownish-black(?) hair with glasses and he has a cat, the cat is the reason why he doesn't want to go to Russia.

I remember one chapter very clearly. It was about a princess going to Japan and she needed a tour guide. Said princess slept around alot, so they enlisted the boy to be her tour guide because he has a girlfriend. They went around Tokyo and she cosplayed as a Japanese schoolgirl at the end. She came to his apartment/house to meet his "girlfriend" When the girl got to their home the princess said she wanted to see what an actual couple looked like. The princess was gay in an arranged marriage and has a girlfriend. The reason why she always has male tour guides is because she doesn't want her gf to get worried.

I don't know how I managed to remember key details and an entire chapter but not the title. If anyone knows this manga please tell me!

 

[justforthelulz]

@LiwuidMoko
https://mangadex.org/title/46310/are-you-really-getting-married

Takuya and Rika, who work in the planning department of JTC, a travel agency in the Tokyo metropolitan area, are not very good at socializing, but they lived a fulfilling life alone.
However, due to the opening of a branch in Siberia, singles will be dispatched overseas with priority, and Rika who is in trouble asks Takuya for a plan.
The two, who have hardly spoken, will get married after only 365 days!?

 

[LiwuidMoko]

Thank you!