Yes, I can't imagine the demand is anything other than self-use for visiting Japan.
161,000 visits to Japan from Hong Kong in March 2016, up 37% YoY.
May 2016 - Tourism Statistics | Japan Tourism Marketing Co.
Yo! Any experience on how the booking process works? Do I just call up and mention the amount and pickup time?
Are they gonna apply the exchange rate of the time of pick up or booking?
just call in. it is day off so not sure how much float difference you are thinking of.