Jean Jacque's flat is great, super clean and location is crazy convenient. There's enough room for everyone and a lot of toilets (to help with shower times and what not) and awesome heating system.
There's pretty much everything you might need to cook, so that also helps in saving some €€€'s in Paris.
Living room is super comfortable with a big tv with Netflix! <3
Also, check in was super simple, Emilie let us in and showed us around the flat.
The only thing I can really point out is that in one of the days of our stay the host visited the apartment without letting us know first. Rang the bell twice and came in with his own key afterwards - he was picking up something of his.
He took the opportunity to let us know that someone would be delivering some new couches to the living room, either that day or the day after. When we came home in the afternoon the new couches were already there, again, without one message being sent to me.
Next day was our check out day (check out is at 12:00), and as we were getting ready to leave, one of my friends' jackets was missing (she left it in one of the chairs in the living room).
I had to call Emilie, who was available to help, and she explained that the day before, while the couches were getting delivered to the flat, there probably was a misunderstanding and my friends' jacket ended up closed in the locked room upstairs. We had to wait for someone to come by, open the door so we could get the jacket back.
Not very nice, especially since all this could have been avoided by just sending a message. Despite the fact that you're staying in someone else's house it's the first time I've had this experience and it's very uncomfortable to not know if someone is just going to get in the apartment, especially with all your stuff lying around.
Also, it was just lucky that we did not have a morning flight.
Apart from this, our experience was a very good one and you should really consider this flat if you're planning a trip to Paris with friends! It really is super comfortable :)