The Black Abysses (ブラックアビス Burakku abisu) are an item appears in the Mewkledreamy anime.
Black Abysses are stones that can be put into people that have Black Schema (ブラックスキーマ Burakku sukīma), a black smoke-like matter that represents one's negative emotion, and cause chaos. The Queen of Nightmare's goal is to spread them as mentioned in Episode 14. Yuni uses the Crescent Moon Yuni Stick to put them into people.
Even though Yume Hinata is tasked to eliminate Black Abysses, she is not immune to getting one as shown that Yuni waited for an opportunity to plant a Black Abyss in her when she gets a Black Schema, as shown in Episode 16.
In Episode 44 it showed Black Abyss bigger than normal.
List of Victims
|Dreamy Mates who went into the Victim's Dream||Black Abyss Victim||Description|
|Episode 1||Mew||Haruna Hinata||Haruna was feeling stressed out at work. It made her go wild.|
|Episode 4||Mew and Peko||Maira Tsukihima||Yuni put it in the takoyaki of Maira dream.|
|Episode 5||Mew and Peko||Kotoko Imai||Within Kotoko dream it cause the dream Kotokoto to rampage.|
|Episode 7||Mew, Suu and Peko||Asahi Minamikawa||Asahi was frustrated that his failed tennis shots.|
|Episode 8||Mew and Peko||Wakaba Midorino||Wakaba anger at Kaede Akana for her meddling.|
|Episode 9||Mew, Suu and Peko||Q-chan||Yuni put a Black Abyss into a toy monkey he found on the ground and put it in the Q-chan dream.|
|Episode 11||Mew, Suu and Peko||Nana Gotou||Nana was missing her mother.|
|Episode 13||Suu, Mew and Peko||Tokiwa Anzai||Tokiwa lack of sleep because of her weird dreams which later it reveals she has them because of her worry of going to a new school.|
|Episode 14||Peko, Mew, Suu and Nene||Hasegawa||Hasegawa unable to play the piano due to her injured arm.|
|Episode 15||Peko, Mew, Suu and Nene||Morimura||Morimura misunderstood that Asahi lied to her, thinking that he didn’t want to go with her to the summer festival and thought Yume was his girlfriend.|
|Episode 21||Peko, Mew, Suu and Nene||Kanta Anzai||Kanta doesn’t want to learn to swim for his swim test because of his fear of Kappa.|
|Episode 23||Peko, Mew and Nene||Hana Shiraishi||Hana doubt about her talent of creating a manga. Kuro-chan became apart of it when he tried to push Hana out of the way of the Black Abyss.|
|Episode 24 Episode 25||
||Teacher Aoi||He was upset when his girlfriend Mii dumped him but wasn’t purified until the next episode|
|Episode 26||Peko, Mew, Suu, Nene and Rei||Yoshio Maruyama||He gotten anxious over his test scores|
|Episode 30||Peko, Mew, Suu and Nene||Erito Kurosawa||Erito frustrations at Kotoko for being better than him and for taking away the invitation to Kureba Academy that he sought for.|
|Episode 34||Peko, Mew, Suu, Nene and Rei||Himeka Amoto||While Maira was visiting her ranch, she felt inferior because of Maira's charm.|
|Episode 37||None||Haruhito Sugiyama||The Queen of Nightmares inserted a Black Abyss into him thus intensifying his evil side.|
|Episode 38||Mew||Yui Aida||Yui was feeling stressed out by her duties towards the cheerleading club and cram school.|
|Episode 43||Peko, Mew, Suu and Nene||Momiji Akana||Momiji worries about her exams.|
|Episode 44||Peko, Mew, Peko, Suu and Nene||3 middle school girls||They do not want to graduate from middle school.|
List of Yunicchi Abyss Victims
Yunicchi Abyss is Yuni's own type of Black Abyss that he made.
|Dreamy Mates who went into the Victim's Dream||Yunicchi Abyss Victim||Description|
|Episode 10||Mew||Yume Hinata||Yuni put it into Yume photo of Haruhito Sugiyama and Yuri Sawamura.|
List of Super Deluxe Yunicchi Yunicchi Abyss Victims
It is Yuni's own type of Black Abyss that he made.
|Dreamy Mates who went into the Victim's
|Super Deluxe Yunicchi Yunicchi Victim||Description|
|Episode 17||Peko, Mew, Suu and Nene||Yume||While Yume was sleeping it brought the Cherry-Tomatoman from her dream to life.|
|Episode 29||Peko, Mew, Suu and Nene||unnamed man||Yuni put it in a pumpkin and it ended up infecting a unnamed man. The man was sad because he had to work while everyone was having fun with Halloween.|
|Episode 35||Peko, Mew, Suu, Rei and Nene||A shooting star||Yuni put it in one of the shooting stars that Yume and her friends were wishing on.|
|Episode 36||Peko, Mew, Suu, Rei and Nene||Ai and Yuuki||They were jealous of everyone celebrating Christmas except for them since there parents are busy.|
|Episode 39||Peko, Mew, Suu, Nene and Rei||Mr Hinata||Yuni placed it in the Dumortierite that Mr Hinata bought.|
|Episode 40||Peko, Mew, Suu, Rei and Nene||Kenta Anzai||Kenta was sad because his snowman had melted, and he never got to build his snowman Kenken.|
|Episode 41||Mew||Unnamed Boys||It came a few boys hatred of Valentines Day because they could not get any chocolates from anyone. It cause a chocolate man to appear that eat the the chocolate and wanted to erase Valentine Day which the dream started to affect the real world which starting erase Valentine Day in Ichigo Town until Asahi dressed up as a girl and gave out dumplings from Rice Dumpling Haven to all the unpopular boys which everyone got satisfied and the dream influence cease and the Abyss was purified.|
|Episode 42||Peko, Mew and Nene||Unnamed Ice cream shop owner||He gotten it when Yuni put it in him while Yume, Peko, Mew and Nene were in the Ice cream shop owner dream.|