Joseph responded to my inquiries fast.
His place did not disappoint.
HK rooms are really small and it is normal but the family room comfortably fit 3 persons. We've got 3 carry-on luggages and a medium one and it actually had space for all inside the room (you can put your luggages under the bed and just pull it out when you pack).
Room is clean and bright. Building is so conveniently located that we can return to the room after one round of shopping in the area and start walking again after.
He was kind enough to let our bags stay in his place while we go around the area some more.