Aha Experience (Tropical Fish edition)

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アハ体験 （熱帯魚編) (Aha Taiken (Nettaigyo hen), lit. Aha Experience (Tropical Fish edition)  was a screamer video uploaded to YouTube and Nico Nico Douga (2012) made by nawashi 5804, the video was later deleted by the uploader.

It starts with a picture of 7 tropical fishes swimming accompanied by relaxing music. At 22 seconds, the picture starts to shine and when it reaches 27 seconds, a picture of a distorted woman from the 2002 Japanese horror film Ju-On: The Grudge appears along with an extremely deranged loud scream (possibly taken from Lomando.com old scream)

Trivia

 * The inspiration for this video was the Japanese PSP game Aha! Taiken, which involves finding the difference between two very similar pictures, examining a video, and finding what changes it is going through. The game is called "aha experience" because it is meant to surprise players when they discover what the changes are. Upon discovering those changes, they'll say, "aha!". Changes are often not immediately perceptible, so players must pay close attention to see what's going on.

Links
NOTE : The following video contains a screamer!
 * youtube.com/watch?v=5GNrwLVyKPU
 * youtube.com/watch?v=XnrDCTLIcFM
 * Safe version: nicovideo.jp/watch/sm33754374
 * Deleted video with Nico Nico Douga version: nicovideo.jp/watch/sm17809959