This has been such a disappointing display from Japan who look a shadow of the team that lost narrowly to both South Africa and Scotland in their previous games here.
They will have fancied their chances today but they just haven't got going.
Japan lock Otoka Yoshimura has got through so much work. She has carried relentlessly but comes up with a crucial tackle on Alex Callender to force the turnover and save Japan.
Converted try: Wales 19-0 Japanpublished at 43 mins
43 mins
Jasmine Joyce try, Keira Bevan con
Oh that's heartbreaking for Japan.
They must have gone through 10 phases but Jaz Joyce picks off a pass just three metres from her own try line and the Olympian has a clear field in front of her.
No-one was going to catch her and Bevan adds the conversion.