Manu Vunipola admits he endured a frustrating and, at times, eye-opening introduction to life in Japan as he adjusted to a deeply ingrained hierarchy.

Former Saracens fly-half Vunipola, 25, moved to Japan in 2024 in search of a fresh challenge after coming through the system at Saracens, where opportunities were inevitably limited behind Owen Farrell.
While the standard of rugby and lifestyle appealed, Vunipola says the cultural adjustment was tougher than he expected.
Vunipola insists the experience has since helped him grow, and he has not ruled out a return to the Prem when his contract ...