Please help finding a movie

Please help me find a movie. I remember just q few details. It’s a European movie, not in English, but I can’t remember what the language is, could be German or French but I’m not sure.
It’s from this time, I watched it during the pandemic, on cable either HBO or Cinemax.
What I can remember about the plot is sort of a
romantic comedy, two men move into an empty building, they don’t have anything, because they have an ongoing bet or something so they’re supposed to survive without anything, not even their clothes while they’re in the building.
But they continue to go to work and one of them falls for a girl and has to bring her into the building and make her dinner.
That’s what I can remember about it.

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Maybe this?

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