Both movies are based on famous manga. Both movies star Ryunosuke Kamiki & Sato Takeru....
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Both are kinda similar. Both are based on famous manga. Both are about a guy with supernatural powers (Shota Sometani) ............................................

Both are comedy movies about bunch of Aliens living on earth. Both are based on famous Sci-Fi comedy manga. Slapstick humour, silly, parody, breaking fourth wall................................. Both are very similar.

Both are directed by Fukuda Yuichi. Slapstick humour, silly, parody, breaking fourth wall &.......... Swordplay!!................................. Both are very similar.

Both are about a girl appearing only during a certain season. Both are very similar...............................................
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Both are Yankee rap movies that are very similar................................................................................................................

Both are comedy movies about Badass teachers. Both are based on famous manga.................................................................................

Both are about Japanese princesses marrying foreign neighbour East Asian Prince. Both are very similar..................................................................

Both movies are written by same person. Both are epic comedy movies.........................................................

Both movies star Keiko Kitagawa. Both movies are kinda similar...........................................................

Both movies are based on classic jidaigeki novels by Akutagawa Ryunosuke..................................................................................................................................................................

Both are awesome mystery movies. Both movies are very similar...............................................