Chiha Rokuhato

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Chiha Rokuhato (録鳩知葉 Rokuhato Chiha) is the main character of Semen Analysis and Sugimoto Gynecology Clinic ~Nurse Reform Program~.

Chiha Rokuhato
Test render of Chiha uploaded to UMEMARO's blog.
Gender Female
Occupation Nurse
Status Alive
Debut Semen Analysis
Latest Appearance Sugimoto Gynecology Clinic ~Nurse Reform Program~
Partners Kenji Kataoka

Unnamed doctor [non-consensual]

Chairman Ohara [non-consensual]

Voice Yuzuha Nagase


Chiha is a young woman of average height, with long, black hair that runs down the length of her back. Her bangs are parted in a distinct pattern, with the part towards the left side of her head, and her bangs hanging across the right side in a large clump, with a smaller bang next to her nose, and large bangs framing her face on either side. Her hips are very wide, moreso than any other female in the UMEMARO canon, giving her a distinctive hourglass shape when she appears nude, and her rear has a distinct heart shape to it. She is clad in a stereotypical nurse outfit, similar to Ai Koyanagi, pink in color, with button clasps down the left side, ending about halfway down her thighs. Her nails are long and colored pink, and she wears a bright pink wristwatch on her left wrist, along with long stockings that end just below her dress, a nurse's hat atop her head, and strapped-on shoes. Her undergarments consist of a white tank top, hanging loosely over her chest and stomach, and simple white underwear. Her bust appears to have grown in Sugimoto Gynecology Clinic, though her overall appearance is otherwise unchanged.


Chiha is very dedicated to her job; she will acquire the semen samples she needs by any means necessary, often resorting to pleasuring her patients herself, in a variety of conventional and unconventional manners. She is enthusiastic but formal and professional about this; she takes a degree of enjoyment in it, but never loses sight of the fact that her job primarily involves actually collecting the generated semen. However, when goaded into having sex with a patient, she appears to greatly enjoy it, even though she is essentially forced into doing so for the sake of her job.

She also appears to have issues with judgment, however; in Sugimoto Gynecology Clinic, Chiha is continually having sex with a married patient after his initial visit, having begun an affair with him that they carry out at her workplace, which eventually results in her having to go through a correctional program to fix her behavior.


in Semen Analysis

Chiha is the nurse in charge of ensuring that male patients in her sterility clinic provide enough of a semen sample for analysis. To make sure this happens, she will offer a variety of unusual services that involve using her own body to pleasure her patients, having them ejaculate into a collection pan repeatedly to gain the samples she needs. In Semen Analysis, Chiha is eventually forced to have sex with Kenji Kataoka in order to gain enough of a sample for the clinic, which she does with a degree of reserved enthusiasm.

in Sugimoto Gynecology Clinic

Chiha is the central character of Sugimoto Gynecology Clinic; she is first seen being ordered to take care of Kenji, and it is soon revealed that the two are in the midst of an affair, having sex with him in the clinic room while Shoko watches and films it. Several days later, Shoko confronts Chiha with the footage, and sends her to the clinic's correctional program for nurses, also sending her two nurses to engage in a more intensive treatment with Kenji. The correctional program consists of, among other things, showing a live feed to Chiha of Kenji having sex with the nurses. When she stands up to protest and save him from the apparently-painful treatment, the doctors (Ohara and a man he identifies as his son) attack and rape her, all while showing Kenji engaging in the treatment with the nurses and Shoko. By the end of the comic, Chiha has apparently been rehabilitated, and no longer shows any interest in Kenji, guiding a new patient to the collection room.


  • Moreso than any other character in the UMEMARO 3D canon, Chiha appears to take heavy inspiration from a pre-existing character, namely Tifa Lockhart of the Squaresoft game Final Fantasy VII, both in her appearance and her name. Chiha's bangs are styled very similarly to Tifa's, while her surname "Rokuhato," when rendered in hiragana as "ろくはと", has almost the same pronunciation as Tifa's in katakana: "ロックハート (Rokkuhāto)." Additionally, her given name (Chiha) rhymes with Tifa's, and the kana used for Chiha's name are from the same group as Tifa's. UMEMARO himself referenced this similarity in a blog post during the development of Semen Analysis, noting that Chiha looked like "that character." He later clarified that he was, indeed, referring to Tifa.
  • Chiha is the first character in the UMEMARO 3D canon to star in two consecutive releases, those being Semen Analysis and Sugimoto Gynecology Clinic.
    • Chiha is also the first character to have an H-scene with the same male character more than once, which spanned the two releases noted above.