After a getting a pass mark from Joe Schmidt with their win against the US Eagles last weekend, Joe Schmidt's side have moved to Japan for the first game of a two-test series.
The first Ireland vs Japan game takes place on Saturday morning at the Ecopa Stadium in Fukuroi.
Where to watch Ireland vs Japan?
The game is live on exclusive on Eir Sport 2, Sky channel 424 this Saturday.
What time is kick-off for Ireland vs Japan?
It all begins at 6am Irish time, 2pm local time.
What time does coverage begin for Ireland vs Japan?
Proceedings get underway on Eir Sport 2 at 5:50am.
What is the Ireland team to play Japan?
Joe Schmidt has made six changes from the Ireland side which hammered USA last Saturday.
There's just one change in the forwards with Dan Leavy taking the place of Josh Van der Flier.
In the back line, Simon Zebo, Andrew Conway, Rory Scannell, Paddy Jackson and Luke McGrath come in for Tiernan O'Halloran, Luke Marshall, Jacob Stockdale, Joey Carbery and Kieran Marmion.
The team will be captained by Rhys Ruddock.
Ireland team to play Japan:
15. Simon Zebo
14. Andrew Conway
13. Garry Ringrose
12. Rory Scannell
11. Keith Earls
10. Paddy Jackson
9. Luke McGrath1. Cian Healy
2. Niall Scannell
3. John Ryan
4. Quinn Roux
5. Devin Toner
6. Rhys Ruddock
7. Dan Leavy
8. Jack Conan
There are also uncapped players on the bench in Ulster second row Kieran Treadwell and Leinster back Rory O'Loughlin.
Replacements:
16. James Tracy
17. Dave Kilcoyne
18. Finlay Bealham
19. Kieran Treadwell
20. Jack O'Donoghue
21. Kieran Marmion
22. Rory O'Loughlin
23. Tiernan O'Halloran
So a reminder on where to watch Ireland vs Japan: it's on Eir Sport 2 from 5:50am on Saturday morning. Keep an eye on Balls.ie, we will be right across the best of the action and reaction.