Both are about a young popular person quitting playing music due to tragedy, then made to start playing again by a friend. both are about a musical a boy & girl duo. Both are based on famous tragic music manga.......................

Both are based on famous 60s horror manga ............................................................

Both star Kusakari Masao. Both movies are about the great shaman priestess queen Himiko trying to fulfil her ambitions, expand her kingdom of Yamatai.............................................................

Both are based on famous youkai horror manga by Mizuki Shigeru........................................................

Both movies are adaptations of famous youkai horror manga from 60s..................................................

Both are about a great assassin swordsman haunted by his brutal & bloody past...................................

Both movies are about two of most iconic Japanese castles. Both are about conquests of two great warlords trying to carry out, fulfil grand ambition of unifyng entire land of Japan during warring States period.

Both are about love between twins..................................................................

Both are about a Cyborg girl.............................................................. ..............

Both movies are about romance of a Middle aged university professor & a young girl.................

Both are about bands participating in a festival contest, but at last moment, some members decide to quit for personal reasons.

Both are about leading characters being students who enter highschool of the elites. Both are based on famous manga.