Night Shift Nurses

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Night Shift Nurses
North American cover art for
Night Shift Nurses: RN's Revenge
(Yakin Byōtō)
GenreErotica, Harem, Psychological, Hentai
Yakin Byōtō
GenreVisual novel
PlatformMicrosoft Windows 95 or later
ReleasedDecember 22, 1999 – October 31, 2008
Original video animation
Directed byNao Okezawa
Produced byHiromi Chiba
Tatsuya Tanaka
Written byRyo Saga
Music byHiroaki Sano
AT-2 Project
Released December 8, 2000 August 26, 2005
Runtime30 minutes
Episodes10+2 specials (5.5 and 10.5)
Original video animation
Yakin Byōtō Ni (2)
Released 30 July 2004 27 January 2006
Runtime30 minutes
Original video animation
Yakin Byōtō Kranke
Released 27 May 2005 25 November 2005
Runtime30 minutes
Original video animation
Yakin Byōtō San (3) a.k.a. "Experiment"
Released 29 July 2005 27 January 2006
Runtime30 minutes
Original video animation
Anime Nanase Ren
Released4 December 2005
Runtime34 minutes
Original video animation
Anime Kazama Mana
Released17 August 2006
Runtime31 minutes
Original video animation
Anime Yagami Yu
Released21 December 2006
Runtime33 minutes
Wikipe-tan face.svg Anime and Manga portal

Night Shift Nurses is the North American localization of Yakin Byōtō (夜勤病棟, Yakin Byōtō), a Japanese OVA series adapted by Discovery[1] from the visual novel of the same name.[2] It was formerly licensed by Anime 18, and now by Critical Mass Video.[3] The series is particularly notorious for its explicit depictions of rape, necrophilia, sadomasochism, and paraphilia.[4][5]



Night Shift Nurses, as was originally written for the game, takes place in an undisclosed area of Japan, mainly at the fictional St. Juliana Hospital. A majority of the game is portrayed on campus with minor visits to the character's residences and surrounding towns.[6]


Yakin Byōto 1: Ryuji Hirasaka is an unemployed, middle-aged Japanese gynaecologist, single, independent, and living on his own. One evening, he receives an email from the fictional St. Juliana Hospital, a local institution, offering him a temporary job opportunity. He contently accepts, scheduling to meet with the president the following day.

That afternoon, semi-formal and with a portfolio, Ryuji commutes to the hospital. After an acquaintance with Ren Nanase, a nurse who escorts him to the president, he is frightened to discover his potential employer is a woman he had brutally raped in the past, Narumi Jinguji. In spite of the excruciating atmosphere, however, Narumi explains her wish to develop a department in the hospital that caters to the sexual interests of patients; in need of his expertise to oversee the operation. Overwhelmed with lewd excitement, Ryuji agrees.[7]

Yakin Byōto 2: A young elite doctor Souichiro Kuwabara couldn't forget his feelings towards Ren Nanase, whom he had fallen in love with back in his training days. He's been switching occupations at different hospitals one after another, to go look for her, and finally he meets her again at the Sei-Katorea General Hospital. However, her attitude was remote and sadly enough his love couldn't be fulfilled. To make things worse and more complicated, he finds a stack of photographs depicting Ren being molested. Ren had been turned into a lewd woman by Hirasaka when she was still working at St. Julianna. He was very disappointed after what he had witnessed to the point where he ends up losing his mind and going insane-(both mentally and sexually).

Yakin Byōto 3: Yotsuya Jiro, an aspiring novelist was lying in front of a hospital. He was seriously injured, and when he though he was about to die, a pink haired nurse named Yuu Yagami, helped him. He was sent into an emergency ward, and he met a beautiful woman, Reika Mikage. She is a director of the hospital, and she asked him to become a test subject. Because he didn't have any relatives, he accepted it. Then, Yuu was supposed to take care of him. Since that day, his fate had changed a lot.

Yakin Byōto Zero: This is the back story of how the genius doctor Ryuuji Hirasaka acquired his perverted pastime as a med school student. He and Narumi Jinguuji are rivals at the top of their class. One day, Narumi tells him that if he can seduce the woman she designates in the 2 weeks before graduation, she'll admit her defeat and do anything he tells her. The girls she suggests are just as beautiful and desirable as herself. Sensing his perverted perceptions transforming into a talent at her tantalizing suggestion, he readily agrees.


Ryuji Hirasaka (比良坂 竜二, Hirasaka Ryūji)
Voiced by: Sabro Gohno (Japanese); Bjorkin Stiles, Michael Sanderson (English)
Ryuji Hirasaka is the aforementioned antihero of the series. A knowledgeable practitioner, his life takes a sharp turn when he is invited to direct and corrupt a team of nurses at his new place of work. An unconvicted sex offender, Ryuji is vicious, controlling and intimidating, often cold reading those under him to learn about their vulnerabilities and how to exploit them. He sports a mullet and is bespectacled. He is murdered by Ren at the end of episode 5. In Night Shift Nurses Kranke he has a better ending: he gets married to Ren and the couple decide to move to the countryside to continue their experiments.
Narumi Jinguji (神宮寺 成美, Jinguji Narumi)
Voiced by: Kaoru Hoshioki (Japanese); Irie, Marcia Belle, Likki Dee Split (English)
Narumi Jinguji is the thirty-two-year-old[8] head practitioner of the St. Juliana Hospital, specializing in gynaecology. Voluptuous and enticing, she arranges to meet with Ryuji one afternoon to offer him the chance to sexually discipline a select group of her nursing staff for the purpose of developing a prostitution ring. As a previous rape victim of her own employee, Narumi exhibits bursts of psychological imbalance and unrest. She is noted for her long green hair. Like Ryuji, she too wears glasses. She commits suicide after attempting to kill Ryuji near the end of episode 5. In Night Shift Nurses Kranke, she is shown attending Ryuji and Ren's wedding.
Ren Nanase (七瀬 恋, Nanase Ren)
Voiced by: Yuu Mikage (Japanese); Lynna Dunham, Kendall Harrison (English)
Bright and friendly, Ren Nanase is a twenty-two-year-old[8] nurse at the St. Juliana Hospital who is arguably the most iconic character of the series. She is the first nurse Ryuji meets and the first who genuinely welcomes him as a friend and superior. When her love for an inpatient boxer, Naoya Ohkawa, is discovered, Ryuji learns of her match fixing and uses it as blackmail. Like the nurses to come, in spite of the abhorrent treatment she receives, Ren develops Stockholm syndrome and becomes emotionally attached to her abuser. Ren is distinguishable by her incredibly long hair, of which is usually tied into a ponytail. It is later revealed that she is pregnant. She is the one who kills Ryuji after he gained back his consciousness. After being arrested she admits that she loves him. In Night Shift Nurses Kranke, she gets married to Ryuji, lives with him in the countryside, and becomes a "good" wife.
Remi Shinjyo (新城 礼美, Shinjō Remi)
Voiced by: Nana Aikawa (Japanese); Nursey, Lotus, Jessica Thorne (English)
Remi Shinjyo is a twenty-seven-year-old[8] senior nurse of the hospital maternity ward. As a headstrong superior, Remi is outwardly proud, fastidious and authoritative, especially to Ryuji. Although it is not mentioned until later, Remi is responsible for an act of malpractice that resulted in the death of a patient. Ryuji takes advantage of Remi's malpractice and subjects her to inhumane experiments. Like Ren, Remi falls for Ryuji and shows huge interest of wanting to be experimented by Ryuji again. Amongst all the nurses, she is the only one who is not a virgin.
Ako Fujisawa (藤沢 亜子, Fujisawa Ako)
Voiced by: Saya Tohno (Japanese); Alexis J. Parker, Kay Parrott, Mika Moon (English)
Shy and quiet, Ako Fujisawa is a twenty-three-year-old[8] pharmacist. The daughter of a wealthy family, she is falsely accused of stealing drugs from her department and this is used as the basis for her series of abuse. In much the same fashion as Ren, Ako develops delusional, obedient feelings for Ryuji. Owing to one of the elements of the show, Ako becomes a coprophile.
Hikaru Kodama (児玉 ひかる, Kodama Hikaru)
Voiced by: Mai Akizuki (Japanese); Syndi Snackwell (English)
Hikaru Kodama is a twenty-one-year-old[8] amateur nurse, newly employed and specializing in pediatrics. As her department suggests, Hikaru absolutely loves children and like them, is energetic. She is the fourth and final nurse to be subjected to Ryuji and by far endures the most inhumane practices in the first phase of the series. It is later revealed that most of the group has to endure the same thing as her. Hikaru is noted for her pigtails and loose socks. She has an adoptive sister, Ai, hospitalized for heart problems. She later admits to have fallen for the doctor. In Night Shift Nurses Kranke, the doctor later does his experiments on both her and her sister. During Ryuji and Ren's wedding, she is the one who catches the bouquet.
Ai Kodama (児玉 愛, Kodama Ai)
Ai Kodama is Hikaru's adopted younger sister and a female patient at St. Juliana Hospital who suffers from a serious heart condition. She has a very close relationship with her older sister.
Voiced by: Asuka Tanii, Mai Akizuki
Dr. Sekigawa (関川, Sekigawa-sensei)
Voiced by: Katsuyuki Konishi
Naoya Okawa (大川 直哉, Okawa Naoya)
Naoya is a professional boxer and a male patient at St. Juliana Hospital who had broken his leg in an accident. He has romantic feelings for Ren, until he found out that she was in a relationship with Ryuji.
Souichiro Kuwabara (桑原 宗一郎, Kuwabara Souichiro)

Voiced by: Shinji Kawada

Souichiro Kuwabara is a young kind-hearted male doctor supposedly in his late 20s who first appears in the second series of Night Shift Nurses-(Night Shift Nurses 2, Yakin Byoutou Ni|夜勤病棟・弐). A few years after St. Juliana closed down due to the strange circumstances that had occurred in the previous series, he gets employed at a different hospital called Sei-Katorea General Hospital-(聖カトレア総合病院|Sei Katorea Sōgō Byōin). Dubbed "The Super Elite Doctor", he gets a lot of admirers from the female staff and a few female patients; his father is a director of two other hospitals that he runs at the same time.
Mana Kazama (カザマ マナ, Kazama Mana)

Voiced by: Nana Nogami (PC game) Emi Motoi (OVA)

Mana is a red haired nurse employed at the same hospital as Souichiro.
Ruhl Kaneshiro (金城 ルホール, Kaneshiro Ruhōru)

Voiced by: Asuka Hojo

Ruhl is the blonde haired director of Sei-Katorea General Hospital. She's in a bisexual relationship with Konohara, one of the nurses employed at the hospital; it's revealed that she is transgender.
Karen Konohara (木原 カレン, Konohara Karen)

Voiced by: Maria Asano (PC game) Mari Tomokawa (OVA)

Karen is a blue haired lesbian nurse at Sei-Katorea General Hospital. She is shown to have a bad temper and has the personality of a typical tsundre character.
Suzuka Nagami (ながみ 鈴鹿, Nagami Suzuka)

Voiced by: Ayana Sumoto

Suzuka is a lavender haired nursed at Sei-Katorea General Hospital. She is shown to have a habit of stealing random merchandise from different stores which she had inherited from her childhood; she has the personality of a young innocent child.
Sayuki Tenzuka (手塚 最遊記, Tenzuka Sayuki)

Voiced by: Yuki Iwata

Sayuki is an orange haired nurse at Sei-Katorea General Hospital. She wears her hair up in two side braids; she also suffers from a minor form of Autonomic Ataxia, causing her body to tremble in fear whenever her stress levels get too high.
Yotsuya Jiro (ジロ 四谷, Jiro Yotsuya)
Yotsuya is a young novelist who resides in a rural small town village called Tokizaka.
Yuu Yagami (夜神 ゆう, Yagami Yuu)

Voiced by: Ayaka Kimura

Yuu is a dark pink haired nurse who works at the same hospital that Yotsuya was staying at after he was injured.
Reika Mikage (御影 麗佳, Mikage Reika)

Voiced by: Mari Oda

Sakurako Kujou (九条 桜子, Kujou Sakurako)

Voiced by: Ren Kashikura

Hiyori Kisaragi (如月 ひより, Kisaragi Hiyori)

Voiced by: Haruka Kurasawa

Koko Amamiya (甘宮 心, Amamiya Koko)

Voiced by: Natsu Asaka

Shizuru Hirasaka (比良坂 詩弦, Hirasaka Shizuru)

Voiced by: Himari

Maya Yumizuka (弓塚 麻耶, Yumizuka Maya)

Voiced by: Milk Kano

Eri Kedouin (祁答院 英莉, Kedouin Eri)
Shizune Yuunagi (夕凪 静音, Yuunagi Shizune)


As a result of the unrestrained content of the series, Night Shift Nurses is usually regarded as one of, if not the most graphic hentai ever released.[citation needed] Several minutes of particularly unruly scenes were even banned from North American releases.[9] Industry aggregator gave the series an F, citing that although the animation is "clean" and "slick", the quantity of edits made for the American release yields it one that "[...]I in no way [can] recommend."


  1. ^ "Discovery Products" (in Japanese). Retrieved 2010-11-20.
  2. ^ "AllSoft" (in Japanese). Retrieved 2010-11-20.
  3. ^ "DVD CATALOG". Retrieved 2010-11-20.
  4. ^ Tim Sheehy (2009-12-10). "New Night Shift Nurses in March; NSFW's an understatement". Retrieved 2010-11-20.
  5. ^ Lawrence P. Raffel. "Monsters At Play: Night Shift Nurses Review". Retrieved 2010-11-20.
  6. ^ NaoOkezawa, Director; Tatsuya Tanaka, Producer; Ryo Saga, Screenplay; Hiroaki Sano, Music (2002–2009). Night Shift Nurses (DVD). The United States: Critical Mass Video.
  7. ^ Ken Innes IV. "Anime Profile: Night Shift Nurses". Retrieved 2010-11-20.
  8. ^ a b c d e キャラクター紹介 (in Japanese). Retrieved 2010-11-20.
  9. ^ Chris Beveridge (2003-09-29). "Night Shift Nurses". Retrieved 2010-11-20.

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