ミラー監督の記事 from Scotland
But for 59-year-old Miller is was an opportunity too good to resist. Yes, the money on offer over the three years would set him up for life, but it was the chance to fulfil a long-held ambition to work abroad.
He said: "I've learned a lot over the years, I started in football at the age of 17 and now, at 59, I am still in the game. But at Liverpool I wasn't the manager and I just wanted that chance to be a manager again.
"It was the putting my name on the line type of thing, I wanted to really challenge myself. I thought when I finished at Liverpool I'd go back to take a smaller team in Scotland and try to take them up through the divisions, working with young players and trying to improve them."
A call from an agent just before the end of last season, however, totally changed Miller's train of thought. He said: "I was asked if I'd be interested, I told him to find out what was involved and to come back to me. He did, and I quickly said yes.
Before agreeing to such a dramatic move, Miller did contact one of his old Easter Road players, Steven Tweed having spent a number of years in Yokohama. Miller said: "I spoke to Steven very briefly, to ask him about the pitfalls, what were the Japanese players like."
Having become a grandfather for the first time over the summer, Miller admitted the biggest drawback to the latest chapter in his career has been missing his family, saying: "I enjoy it but not seeing the family is the hard thing. But we realised it was only for three years."
As such, much of Miller's spare time spent studying the Japanese game. "Many a night I just spend watching videos of the opposition, working on tactics, planning training," he said.
"If there's a game on then the interpreter and I will go and watch it.