 If you liked
Kyouran Kazoku Nikki
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 ...then you might like
Kore wa Zombie desu ka?
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Both anime contain as much randomness. If you enjoy randomness as much as I do, I'd say Kyouran kazoku Nikki is a great choice. It's in my opinion more random than the zombie anime.
At times you'll be like why did I enter the ride the cart that is Kyouran Kazoku Nikki, but at the end of the roller coaster ride I can assure you you're happy you took the ride.