I'll be adding more stories later [ here ]
There isn't any internet in the smoking rooms at the South Tower and your best bet is free wifi at the first-
(1st) floor lobby or walking into the Business Center with your own ethernet cable. I didn't even attempt wifi given that line speeds (shockingly) for a full service hotel in Osaka which has an airport compared to Kyoto which doesn't is:
To be honest this was disappointing given to comparing the Hyatt at 35 Mb/s downstream. And hey, I was willing to pay for bandwidth but never given the option.