We didn't get to meet Jin, however communication with her was easy and she was quick to reply to our inquiries. Her brother met us and showed us the apartment. The place is very convenient and close to metro stations and shopping areas, it is super central to move around in Paris. The apartment itself is small but enough space for the 2 of us. However, climbing 4 floor of steep stairs can be a problem if you have heavy luggage. Cafes and halal food is available close by. We used the kitchen to cook simple meals to save some costs. Sofa bed is ok even though not as comfy as a real bed, we were dead asleep by the end of the day anyway.