It's sad that you don't want to go to a restauramt at the moment. I feel that HK is dividing into two groups - those who are carrying on as normal, and those who think the world is about to end and they couldn't possibly do that. The second group seems to think everyone else is doing the same, but I don't see it. My local restaurants in the mid-levels (Rico's, Phukets, Cafe Gypsy, etc.) seem to be perhaps 10-20% down on customers, but still pretty busy. And not a mask or glove in sight.
Why not get all 8 of you out in the fresh air? Take the Kaido from Aberdeen to Mo Tat Wan, walk across Lamma to Yung Shue Wan to work up an appetite (and a thirst) - allow about 2-2.5 hours for this - and then have an excellent veggie dinner at the Bookworm Cafe accompanied by lots of healthy juice and similar drinks. Then the ferry back to Central.