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This Article Contains Spoilers - WARNING: This article contains major spoilers. If you do not wish to know vital information on plot / character elements in a story, you may not wish to read beyond this warning: We hold no responsibility for any negative effects these facts may have on your enjoyment of said media should you continue. That is all.

Nemuri Kayama, also known as the R-Rated Hero: Midnight is a supporting character in the anime/manga series My Hero Academia. She is a Pro Hero as well as a teacher at U.A. High School who teaches Modern Hero Art History.

She is voiced by Akeno Watanabe in the Japanese version of the anime and Elizabeth Maxwell in the English Dub.


Midnight is an attractive, curvaceous, tall woman with sky blue eyes and long, spiky, dark-purple hair that reaches below her waist. She has red painted nails and a small beauty mark underneath her left eye. Her hero costume resembles a dominatrix outfit, composed of a skin-tight white bodysuit (which is flesh colored in the manga). Her black leather, breast-less leotard connects to a wide, bedazzled thread that reaches and forms the collar of her costume. Midnight also has a red domino mask, a red and yellow belt, jeweled, black high heels, and handcuffs on each wrist. Her costume was made easy to tear so that she could use her quirk more effectively.

Miscellaneous Information

Height: 175cm (5'9")

Birthday: March 9th

Age: 30 (First appearance), 31 (Chapter 5 to Paranormal Liberation War Arc), 32 (at death)

Hair Color: Dark Purple

Eye Color: Sky Blue

Blood Type: A


Midnight is a confident, flirty woman with a playful sense of humor, but she also comes with a very sharp tongue and temper. She is noted for her love of vibrant youth and thrills, often adoring her students from said standpoint. She is always excited to see their chivalry and determination.

Although her R-rated behavior borders on the questionable side, she does show to be supportive of her pupils and encourages them to become great heroes. At one point she was impressed by Minoru Mineta's ingenuity and him being able to outsmart her during the Final Exams.

Midnight is sensitive when talking about her age (probably due to her fondness of youth and of being young). With her coquettish attitude aside, Midnight is a very intelligent and perceptive hero.

Powers & Abilities


Somnambulist: Midnight's Quirk allows her to release a pink-colored aroma from her body which can put others to sleep almost instantly. According to Present Mic, this Quirk apparently works better on men than women.


  • Midnight was originally going to be the homeroom teacher for Class 1-A, but was changed with Eraser Head in favor of someone who could get sharp-tonged with the kids.
  • While Midnight's previous costumes were designed to be revealing, but they eventually lead to government regulations being put on costume skin exposure.
  • Her quirk Somnambulist comes from the medical term somnambulism, meaning sleepwalking.
  • Nemuri's Japanese voice actress, Akeno Watanabe, also voices Izuku Midoriya as a child.

External Links


           Boku no Hero Academia Logo.pngHeroes

U.A. High School
Teachers: Ectoplasm | Higari Maijima | Hizashi Yamada | Ken Ishiyama | Nemuri Kayama | Nezu | Ryo Inui | Sekijiro Kan | Shota Aizawa | Thirteen | Toshinori Yagi
Class 1-A: Denki Kaminari | Eijiro Kirishima | Fumikage Tokoyami (Dark Shadow) | Hanta Sero | Izuku Midoriya | Katsuki Bakugo | Koji Koda | Kyoka Jiro | Mashirao Ojiro | Mezo Shoji | Mina Ashido | Minoru Mineta | Momo Yaoyorozu | Ochaco Uraraka | Rikido Sato | Shoto Todoroki | Tenya Ida | Toru Hagakure | Tsuyu Asui | Yuga Aoyama
Class 1-B: Hiryu Rin | Ibara Shiozaki | Itsuka Kendo | Jurota Shishida | Juzo Honenuki | Kinoko Komori | Kojiro Bondo | Kosei Tsubaraba | Manga Fukidashi | Neito Monoma | Nirengeki Shoda | Pony Tsunotori | Reiko Yanagi | Sen Kaibara | Setsuna Tokage | Shihai Kuroiro | Tetsutetsu Tetsutetsu | Togaru Kamakiri | Yosetsu Awase | Yui Kodai
The Big Three: Mirio Togata | Nejire Hado | Tamaki Amajiki
Other Classes: Hitoshi Shinso | Mei Hatsume

Pro Heroes
All Might | Backdraft | Best Jeanist | Bubble Girl | Burnin | Cementoss | Centipeder | Crimson Riot | Crust | Death Arms | Ectoplasm | Edgeshot | Endeavor | Eraser Head | Fat Gum | Fourth Kind | Gang Orca | Gran Torino | Gunhead | Hawks | Ingenium | Kamui Woods | Kesagiriman | Majestic | Manual | Midnight | Mister Blaster | Mirko | Ms. Joke | Mt. Lady | Nana Shimura | Present Mic | Rock Lock | Ryukyu | Star and Stripe | Selkie | Shishido | Sir Nighteye | Sirius | Snatch | Uwabami | Wash | X-Less | Yoroi Musha
Wild, Wild Pussycats: Mandalay | Pixie Bob | Ragdoll | Tiger

Other Schools
Camie Utsushimi | Inasa Yoarashi | Seiji Shishikura | Nagamasa Mora | Yo Shindo | Tatami Nakagame | Itejiro Toteki | Shikkui Makabe

Melissa Shield | David Shield | Katsuma & Mahoro Shimano | Rody Soul (Pino)

Eri | Kota Izumi | Oboro Shirakumo

One For All Users
Yoichi Shigaraki | Nana Shimura | Toshinori Yagi | Izuku Midoriya

Knuckleduster | Pop☆Step | The Crawler