Both are about romance of a boy with a dead friend who's unable to get over, struck between two girls...................................................................................

Both are about battles & conquests of warlord Takeda Shingen's loyal & wise general Yamamoto Kansuke......................

Both star Sonny Chiba like a Japanese 007............................................................................

Both are spy mystery movies set in Japanese occupied Chinese cities during 1930s..............................

Both are about a queen/Concubine conspiring to kill, dethrone the emperor, Crown a stepson Prince as the emperor.

Both are about a girl who gets leapt, time travelled in to historical Japanese past era & tells of events, what happens, tragedies, wars to come in near future, & tries to change history of Japan!

Both are about an ill girl going to sanatorium to rehabilitate. Both take place in beautiful scenic snowy mountains of Hokkaido

Both are about a gang of strong thieves trying to pull off a heist.......... ..........................

Both are set in Warring States period. Both are supernatural classical Ninja, Samurai legends from the Warring States period. Both star Nakama Yukie. Both are visually very stunning shot in Japanese scenic forests, nature.

Both are about a girl who gets leapt, time travelled in to historical Japanese past era & tells of events, what happens, tragedies, wars to come in near future...................

Both are about love between Young Prince & his young stepmother Queen in Imperial Court............................

Both are epic adaptations of King Lear by William Shakespeare set in two different East Asian Imperial Courts.