When I did the original search for AirBnB's in Paris, I searched for a place for 3 adults. This place popped up as an option. When we arrived at the AirBnB it was clear from the start that this was not acceptable as a place for 3 adults to call home for a few days. Yes, there were three places to sleep, but the one bed filled almost the entire space (when it was pulled down from the ceiling) and the couch (which is the spot for the third adult to sleep) was wedged between the bigger bed and the wall. For that person to leave their bed/couch, they would either have to crawl under the bigger bed or crawl over top of the people sleeping on it. Also, there was no door on the washroom, just a curtain.
However, Marc and Rumi were incredibly accommodating, and excellent with communication. Their space was impeccably clean and in an AMAZING location. Very close to the public bike rental, and a quick walk to some amazing tourist attractions, including the Eiffel Tower, which we visited every night thanks to the proximity.
Do NOT expect this place to properly accommodate 3 humans of any shape or size. If you are a couple, or are very close to the one other person you are visiting with, you will have an EXCELLENT experience.