Ireland hold off spirited Japan for bonus-point win

Nations Championship round two

Tries: Taira, Era Cons: Matsunaga 2 Pens: Matsunaga 2

Tries: Timoney, O'Toole, Henshaw, Jansen, Stewart Cons: Frawley 3, Byrne Pen: Byrne

Sean Jansen marked his international debut with a try as a much-changed Ireland wore Japan down in New South Wales to make it two bonus-point wins from two in the Nations Championship.