Japan captain Michael Leitch insists their shock defeat of South Africa was no fluke as he set their sights on repeating the upset by beating Scotland on Wednesday.
The Brave Blossoms pulled off the greatest upset in Rugby World Cup history when Karne Hesketh's last-gasp try secured a remarkable 34-32 win over mighty South Africa in Brighton on Saturday.
But New Zealand-born Leitch insists Japan are confident of another upset against the Scots at Kingsholm Stadium in Gloucester on Wednesday.
"We've been training to beat the Springboks for three years so we are pleased with that effort," said the Japan back-rower.
"It's our first World Cup win in 24 years and to beat the Springboks is pretty amazing, but now we have Scotland around the corner so we will focus on that."
Japan's stunning victory, set up by tries from Leitch and Ayumu Goromaru, whose nerveless penalties kept them in touch in the second half before Hesketh's heroics, has left Pool B wide open.
And their Australian coach Eddie Jones, who was in charge of Australia when they lost to England on home turf in the 2003 final, also promised that the Asian champions are far from finished yet.
"We're not done - we're here to make the quarter-finals," he said.
"Then I'll retire and go on television like Sir Clive Woodward!
"I'm too old for this, at 55, I should be in Barbados watching the cricket. But the history has now changed for Japanese rugby."
But Jones warned his players they must not rest on their laurels. He said: "We had a chat out on the field [after the win] and reminded the players we have two targets in this tournament and that is to reach the quarter-finals and be the team of the tournament.
"We made a splash against South Africa but want to make a real dent in this tournament. We want to back up what we did when we play against Scotland.
"It will be a great occasion. Hopefully we'll get crowd support as we did against South Africa."
He also refused to complain about having to play their second match just four days after their first.
"When you are at the bottom of the feeding chain you just accept what you get, mate," he said.
"The little fish at the bottom of the ocean just eat what they can get. That's where we are. You accept it, that's the schedule, we've known about it for two years. There's no moaning about it."