From there it's simply showing up, consistently, persistently, and no matter how feel showing up and putting in the work with intensity like youre there to get things done. 

If you don't move back you can be looking at a 200k tax bill if it doesn't work out due to having to pay capital gains on the profit

I would then approach the tenant and work out a solution that is far for the both of you.  

When a buyer gets a mortgage for a property with low money down the bank does an intensive underwriting process to make sure that Buyers qualified to make those payments.

STR's are the most management intensive way to produce cash flow on a property and Tokyo is 9 hours ahead. 

In CA it's closer but more capital intensive.

I'd recommend mixing in more commercial to balance out multiple assets, buy a liquor license for a few hundred thousand, etc to make the deal work a little better. columbus hospitality isn't as strong unless you are in the urban core but even then I'd go for a lower risk asset class like multifamily and retail mixed use. hotel is very strong operator but management intensive.

Plus the logistics of trying to get multiple note holders to agree and be happy on servicing, collections, work-outs, and exit strategies sounds like herding cats!

Getting everything all done at once without any problems is ideal, but it doesn't always work out that way. 

I don't know what's right for you, and with the online resources today being able to manage remotely only gets easier and easier, but property management is still a very labor-intensive business on average, and I would guess that eventually, a problem will pop up that you wish you weren't the one that had to deal with it.