The popular nurses, shota, and sadomasochism hentai Sakusei Byoutou The Animation, celebrates its 5th anniversary.
Origin

The adult anime is based on Sakusei Byoutou ~Seikaku Saiaku no Nurse shika Inai Byouin de Shasei Kanri Seikatsu~ (搾精病棟 〜性格最悪のナースしかいない病院で射精管理生活〜), a CG work by the artist Sakusei Kenkyuujo, which was released for sale on December 19, 2018.
The renowned Pink Pineapple label released its first animated episode on April 30, 2021. The animated series concluded on August 29, 2025, with a total of 10 episodes produced.
Story

Yamada is afflicted with a rare condition that requires him to bust a nut every three hours or face devastating physical pain. When he miraculously fractures both hands, however, his fap game takes a critical hit, and his once-private burden falls to the neurotic nurses charged with his care. Make no mistake, though—no love sparks fly in the course of their round-the-clock milking sessions, as our hero is forced to endure his femdommy fate at all hours of the day and night… Will young Yamada leave the hospital with his scrotum—and sanity—intact?
Reception

Sakusei Byoutou The Animation had a moderate reception in Japan, although its exact level of success is unknown.
Overseas, however, it enjoyed greater popularity thanks to its sadomasochistic themes and its beautiful nurses with eccentric personalities.
Trivia

- The hentai was animated by Seven and directed by Araki Hideki.
- The Sakusei Byoutou franchise features a wide variety of content, including CGs, doujinshi, manga, light novels, eroges, figures, an adult film, a fighting game, ASMR content, and a new project where the characters have their genders swapped.
- The animated adaptation features an alternate ending, different from the CGs and eroges, which retain the original ending.
- Among all the characters featured in the hentai, the most well-known voice actresses who participated in the animated adaptation are Mei Misonoo, Kaoru Momozono, and Miru.
Mei Misonoo, who voices Mochizuki, is especially known for her roles as Aoi in Euphoria, Momoka in Eroge! H mo Game mo Kaihatsu Zanmai, Miho in Sei Yariman Gakuen Enkou Nikki The Animation, Chieri in Baka Dakedo Chinchin Shaburu no Dake wa Jouzu na Chii-chan, Tomoko in Hajimete no Hitozuma, and Ruushe Menerumia in Youkoso! Sukebe Elf no Mori e, among others.
Kaoru Momozono, who voices Ootsuka, is recognized for portraying Mizuki Shiranui in Taimanin Shiranui: Inyoku no Dorei Shoufu, as well as Tsubaki Miyajima, Reina Kurashiki, and Reika Kurashiki in Saimin Seishidou.
Miru (also known as Ichimura Oma), who voices Mia Tendou, is known for her roles as Minako Sanada in Ijirare: Fukushuu Saimin, Kanae Hokari in Jokei Kazoku: Inbou, Ami Miyazawa in Stringendo: Angel-tachi no Private Lesson, Yuki Mita in Hatsu Inu The Animation, Natsume Sorayama in Sora no Iro, Mizu no Iro, and Yuu Nozaki in Saimin Seishidou. - Its adult film, titled with the code 28ID-038, was released on October 23, 2020.
- As of now, Sakusei Byoutou The Animation, with a total of 10 episodes, is the second hentai series with the most episodes from Pink Pineapple. The top spot is shared by Stringendo: Angel-tachi no Private Lesson and Doukyuusei 2, both animated adaptations with exactly 12 OVAs.
- The first episode of Sakusei Byoutou The Animation was the only one with a runtime of 30 minutes; all the others are around 20 minutes long.
- The Kiritani arc, which corresponds to episodes 7 and 8, is the only one that has two parts.
- The character designs of Amamiya, Kurokawa, and Yamaguchi change throughout the OVAs.
- Of all the nurses, Kurokawa is the only one who, in her own way, shows concern for Yamada and even develops a certain affection for him. It is also confirmed that she is the only one the protagonist keeps in contact with after being discharged from the hospital in the original story.
- Due to changes in the story for its animated adaptation, Aizawa, the hospital convenience store employee and a crucial character in the original work, was completely omitted.
- Sakusei Byoutou The Animation has official translations in English, Chinese, and Korean available on the DLsite store.
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