This article contains shocking and offensive content. Read at your own discretion.
Note that these can vary to tame to extreme depending on the person.
Outline
The contents of this includes sites, images, videos, ect. of erotic (sexual), gory (R-18G), ghost stories, phobics, surprises, etc.
However, some of them may cause damage to your PC, such as browser crashes caused by PC viruses or web scripts. Therefore, unless you have sufficient immunity, tolerance, and knowledge of personal information leakage and security, you should not search for them out of curiosity (you may need to search for them for academic or research purposes, but even in that case, you need immunity).
If an image, video, or exe (a PC executable file) is hit, the viewer will suffer some kind of damage. Genres include PC damage, grotesque, horror, occult, denpa, insanity, depression, ect. In 2014, TBS aired a one-off TV program which examined search terms and urban legends.
Aside
In recent years, videos of people searching for words they shouldn't search for have become popular on video sharing sites. There are many different types of live search videos, so if you're curious about search terms, you can watch along.
Currently, the highest danger level is 7, but at one time there were even danger levels up to 8. The description was "may be life threatening" in bold red letters with a black background. Wiki archives from that time do exist.
Currently, the number of words registered in the Wiki is over 2100.
List
In this article, only items for which pixiv articles exist or going to (even if they are not included in the Must not Search wiki) are listed.
The contributors, administrators, and authors of this article are not responsible for any unpleasant feelings you may experience as a result of searching.
About Genres
| Hall of Fame | Particularly well known in the Japanese language. |
|---|---|
| PC Damage | Items that cause damage to computers. |
| Grotesque | Violence and cruel descriptions and expressions, etc. |
| Insanity | An act that goes against common sense. |
| Sexual | Items that fall under the category of adult content. |
| Surprise | Scary images, malicious prank videos, etc. |
| Occult/Suspense | Mystical or supernatural phenomena. Suspense being there as a sense of danger. |
| Denpa | Literally means "electromagnetic wave". Something that is totally out of touch with the sensibilities of ordinary people. |
| Reality | An incident or event that actually happened. |
| Disease/Deformity | Unusual appearance. |
| Unusual Organism | Creatures or other beings with unusual characteristics or abilities (fictional creatures are also included here). |
| Joke/Neta | Basically, anything that can be laughed off. Neta being a Japanese slang of this. |
| Mystery | Something whose intent or identity is unclear, mysterious, or whose meaning is not well understood. |
| Psyche/Flashing | Content with heavy flashing, loud colors and music. |
| Phobics | For extreme or irrational fear of or aversion to something. |
| Horror | Descriptions that stir up fear. |
| Depression | Tragic content. |
| Filth | The wiki classifies this as excrement or discharge from the body. |
| Order | Genre | Description | Danger Level |
|---|---|---|---|
| # | |||
| 8teacups.exe | Psyche/Flashing, Denpa, Surprise, Mystery, PC damage | A chaotic, flashing and unintelligible video that is loud at the start. | 4 |
| A | |||
| Ai to Yuuki to Kashiwamochi | Depression, Horror | Puzzle game in the style of Yoshi's Cookie. | 2 |
| Amblypygi | Unusual Organism, Phobic | Spider, some have been sold as pets. | 2 |
| B | |||
| Backwards Girl: Endless Summer Holidays | Sexual, Depression, Grotesque | A novel in which a girl is kidnapped, confined, and tortured continuously. | 4 |
| Brazen Bull | Reality | Cruel method of execution said to have originated in ancient Greece. | 2 |
| C | |||
| Candiru | Unusual Organism | Catfish from the Amazon. Frankly, more dangerous than a piranha. | 1 |
| Cat Soup | Denpa, Grotesque | Cruel but award-winning anime. This can also mean the manga it was based off of (see Nekojiru) | 1 |
| Chargeman Ken! | Insanity, Joke/Neta | A crazy anime that has a lot of things going for it. | 1 |
| Creepypasta | Grotesque, Horror, Occult/Suspense, Surprise | Western internet urban legends. | 3 |
| D | |||
| Darwin Awards | Joke/Neta, Insanity, Reality | A tongue-in-cheek honor for people who died in a "idiotic (unsusal) manner". | 1 |
| Delete Immediately | Horror, Occult/Suspense | Fake special screen of Japanese text covering the screen with the aforementioned title in Shin Megami Tensei II. | 2 |
| Demodex Folliculorum | Reality, Unusual Organism, Phobic | Microscopic mite that can only survive on the skin of humans. | 2 |
| Depleted Uranium Ammunition | Disease/Deformity, Reality, Hall of Fame | Images of deformed children born due to radiation hit. | 3 |
| Don't Look for Wally | Surprise, Horror | A screamer flash game of Where's Wally (Waldo in North America). | 3 |
| Doraemon the Horror | Horror, Grotesque | Horror parody of Doraemon by Hideshi Hino. | 2 |
| E | |||
| Ed Gein | Grotesque, Reality, Insanity, Horror | A murderer who was crafting with dead bodies. | 4 |
| Eight Feet Tall | Horror | Japanese urban legend of a tall woman named Hachishaku-sama who abducts children. | 1 |
| Eihort | Horror, Phobic | A monster by H. P. Lovecraft | 2 |
| Elsagate | Sexual, Reality, Filth | Social issue on Youtube and Youtube Kids. | |
| Eudocima Tyrannus | Unusual Organism, Phobic, Horror | While not as scary, it's their larvae that is seen as creepy. | 1 |
| F | |||
| Faithful Reproduction of a Dream I had Today | Joke/Neta, Horror | Mysterious text to speech version of Ievan Polkka with visuals of the 1927 Metropolis Maria's dance scene sped up. | 1 |
| Female Sage | Horror | Character from Dragon Quest 3 but looking up the word in Japanese also shows up a scary face of a woman. | 3 |
| G | |||
| Giygas | Horror, Psyche/Flashing | Antagonist of the MOTHER (Earthbound) series. In MOTHER 2 there's a theory that they have a outline of a baby. | 2 |
| Gloomy Sunday | Depression, Occult/Suspense | A song said to make people commit suicide when listened. | 2 |
| H | |||
| Hakkda Mountains Incident | Grotesque, Depression, Reality | Large-scale distress incident that occurred in Japan in January 1902. | 3 |
| Happy Tree Friends | Grotesque | Very violent web cartoon by Mondo Media. | 3 |
| Hydnellum Peckii | Unusual Organism, Phobic | A mushroom that looks like it's bleeding all over. | 2 |
| I | |||
| J | |||
| John Wayne Gacy | Occult/Suspense, Reality, Insanity | Serial killer who enjoyed dressing up as a clown. | 2 |
| K | |||
| Kiviak | Grotesque, Reality | Traditional wintertime Inuit food from Greenland. | 3 |
| Kunekune | Occult/Suspense, Hall of Fame | Japanese internet urban legend called Wriggling Body in English. | 2 |
| Kure Kure Takora | Insanity, Joke/Neta | Tokusatsu kids' show with episode 220 never being rebroadcast. The contents was seen as verbally abusive towards the mentally ill with the character getting the abuse going on a violent rampage. | 1 |
| Kuso Miso Technique | Sexual, Joke/Neta, Hall of Fame | Gay manga that is very popular within Japanese internet culture. | 1 |
| Kusozu | Grotesque | 9 stages of a woman's decay. Often depicts women such as a Empress to show "No matter how beautiful a woman is they will end up being ugly in the end.". | 2 |
| L | |||
| Lee Hardcastle | Grotesque, Horror | Clay animator on Youtube. Made a unofficial sequel Takena's Chainsaw Maid | 3 |
| Leucochloridium | Unusual Organism, Phobic | Parasites that use snails as hosts. | 3 |
| Linda³ | Grotesque | One of the few games given a 18+ rating on PC Engine | 2 |
| Lamprey | Unusual Organism | Jawless eel with a with grotesque mouth. | 2 |
| Louis XVII | Depression, Insanity, Reality | A king of France who lived a tragic life. | 2 |
| Lobotomy | Reality | World's most dangerous surgery. | 1 |
| M | |||
| Matsuyama Doctor Harassment | Horror, Sexual, Grotesque, Phobic, Psyche/Flashing, Denpa, Insane, Hall of Fame | A harassment movement on Matsuyama Kyowa Hospita of shock sites disguised as review sites about the affiliated doctors. | 6 |
| Me!Me!Me! | Grotesque, Sexual | Erotic, gory music video for Japan Animator Expo. | 3 |
| Mike the Headless Chicken | Grotesque, Reality, Hall of Fame | A chicken who lived for 18 months after his head was cut off. | |
| Momoiro Usagi | Horror, Denpa, Surprise | An original song by Healing-P for Kagamine Len. | 2 |
| Mortal Kombat | Grotesque | A brutal fighting game known for it's gory fatality animations. In a more scarier note this had effected the mental toll of the animators due to the references they used. | 4 |
| Mopemope | Horror, Hall of Fame, Phobic, Surprise | Controversial music video almost falling into Elsagate territory by being heartwarming at first glance. | 2 |
| N | |||
| Narutaru | Grotesque, Sexual, Depression | Known as Shadow Star internationally. This work is characterized by many extreme scenes. | 3 |
| Natsumi Step! | Horror, Occult/Suspense, Hall of Fame | Horror web anime made in flash. Takehara Minoru most popular work, even been seen by quite a few people in the west. | 1 |
| Needlefish | Unusual Organism, Grotesque | A fish that can jump out of the sea and kill people. | 3 |
| Nugumu | Horror, Surprise, Mystery, Hall of Fame | A Virtual Youtuber. | 2 |
| O | |||
| P | |||
| panapp Face | Horror, Joke/Neta | An ice cream that, depending on how you eat it, can create a creepy face. | 1 |
| Pennywise | Horror, Joke/Neta | Clown character from the movie IT | 1 |
| Pingu 24th Episode | Horror, Denpa, Joke/Neta | An episode seen so horrific that it has been banned in some countries. | 1 |
| Piropito | Horror, Phobic, Hall of Fame | Also known as nana825763 on Youtube. Visual artist known for Username666 | 3 |
| Pipa Pipa | Unusual Organism, Phobic | A frog that can trigger people with trypophobia. | 3 |
| Popee the Performer | Grotesque, Joke/Neta | CG' kids anime known for it's over the top violence. | 2 |
| Q | |||
| R | |||
| Running Cirno | Psyche/Flashing, Hall of Fame, Horror, Jokes/Neta, Denpa | A video made in MMD of a creepy running animation of Cirno. | 2 |
| R | |||
| Roadkill | Grotesque, Reality | Animals killed by car. | 3 |
| Rosalia Lombardo | Reality, Depression | Known as the most beautiful mummy in the world. | 1 |
| S | |||
| Sada Abe | Grotesque, Reality, Insanity | Japanese geisha and prostitute who murdered her lover during the Showa Era. | 2 |
| Saikin Osen | Horror, Phobic | Another Vocaloid song with many dark theories. | 2 |
| Sampoong Department Store | Insanity, Reality | Deadliest modern building collapse until the collapse of the World Trade Center. | 2 |
| Satoru-kun | Occult/Suspense | Japanese urban legend of getting any answer from a public phone. | 1 |
| Saturn Devouring His Son | Grotesque, Joke/Neta | There is actually two paintings of this, the more popular one is by Francisco Goya. | 3 |
| Sayonara wo Oshiete ~Comment te Dire Adieu~ | Grotesque, Sexual, Depression | Visual novel by CRAFTWORK. A fan English translation was made on August 2021. | 2 |
| Sawney Bean | Grotesque, Insanity, Reality | Said to be the head of a cannibal clan. | 1 |
| SCP | Grotesque, Horror, Depression | A site that collects fictional monsters. | 1 |
| Sennichi Department Store | Reality, Occult/Suspense | Japanese department store that went in flames. | 2 |
| Shojo Tsubaki | Grotesque, Sexual | More specifically the manga adaptation Mr. Arashi's Amazing Freak Show and it's anime known as Midori in the west. | 3 |
| Shuji Tsugawa | Occult/Suspense, Joke/Neta, Horror, Hall of Fame | A character from one Detective Conan's more depressive episode. | 1 |
| Spoo | Joke/Neta, Hall of Fame, Horror | More specifically Shoko Haida's drawing of the character that became incidentally scary. | 1 |
| T | |||
| Terrifying Kyou-chan | Grotesque, Joke/Neta, Insanity | Parody of Hitoshi Matsumoto's Obake no Q-taro. | 3 |
| This Man | Occult/Suspense, Joke/Neta, Horror | A marketing stunt featuring a somewhat unnerving picture of a man's face. | 1 |
| Tiananmen Square | Grotesque, Reality | More on the massacre that took place in Tiananmen Square, Beijing. | 3 |
| Toro on Holiday Photo | Horror, Occult/Suspense | A rumored photo of ghost in the game Toro on Holiday. | |
| Tsunaka Yuriko | Horror | Japanese urban legend of a name that must not be enter in video games. | |
| Ttongsul | Reality | Korean alcohol made from human feces. Lacking in info. | 2 |
| U | |||
| V | |||
| W | |||
| Waita Uziga | Grotesque, Sexual | Bizarre manga artist with his most known work in the west being Mai-chan's Daily Life. | 3 |
| X | |||
| Y | |||
| Yoshie Kimura | Horror, Joke/Neta | Main antagonist of Death Forest. | |
| You Are An Idiot | PC Damage | A flash virus that would open many windows. | 4 |
| Yume Nikki | Psyche/Flashing | Game where you walk around in a dark dream. | 1 |
| Z | |||
| Zdzislaw Beksinski | Horror | Within Japan it's rumored his art will kill you if seen 3 times. |
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