Legends of the Rising Sun is a collection of special rules and unit lists for using Legends of the Old West/Lord of the Rings rules for samurai. From Wargames Illustrated 278. Direct PDF download of Legends of the Rising Sun.
As I said in a recent post, I think that WWII in the Pacific Theatre is a deserving, if underappreciated, period. (I’m regretting selling my Japanese and Marines a few years back). Here’s some advice on painting the Japanese.