Sophie welcoming was great, she was waiting for me at my arrival and explained me anything I need to know from the flat and neighbourhood. The house is perfectly located. We were 3 people and it has enough room and amenities (cutlery, pots, glasses, towels, etc) for us. The apartment is small but very comfortable, nice for a rest after climbing the 5 floors!).
I will definitely recommend staying at Sophie´s and I hopefully stay again if I need to come back to Paris in the future. If you like Japanese food, I recommend the Japanese restaurant across the street: great food and very friendly. We felt at home during our stay!