Both are based on famous Sci-Fi mecha anime... Both are very similar.......................................

Both are awesome mystery movies. Both are based on famous novels. Both star Ayase Haruka.......................

Both are about girls working aerospace industry work in Haneda Airport............................................................................

Both are awesome movies about cooking chefs.............................................................................

Both are Japanese Christmas romance movies...........................................................

Both are about oiran in Edo during Edo period..........................................................................

Both are Korean Musical romance dramas based on famous manga..............................................................................

Both are about a person who solves problems of his clients working in a bar. Both are based on famous manga...................

Both are about protagonist have to finding, following various hints in order to find out his ancestory, history, heritage, inheritance..............................

Both are set during end of Tokugawa period, Both are about two Samurai. Both are very similar. Both have 'tree' in the title.

Both take place during Japanese occupied South Korea. Both are very similar..........................................

Both are comedy movies about bunch of Aliens from Venus among other various planets living on earth. Both are based on famous Sci-Fi comedy manga..