Synopsis
* Introduction
Hyuga Akira is a sporty woman who usually joins to her club activities with a bright smile.
However, recently, she is having a confused expression often.
My father and mother run a small diner, but because of the location, they are being targeted by real estate.
Akira, to save her family, tried to resist to them.
After talking with them, Akira got a chance to get the freedom if she wins a duel…
She finally got the chance.
So she agreed the deal without thinking enough.
But she has no experience in fighting or martial arts at all.
What should she do? If she doesn’t do anything, she might get seriously injured instead of protecting her home……
She received a direct mail…
A fitness gym run by a ex-martial arts champion is now accepting new trainees.
Akira rushes to the gym, delighted by the timely event.
Sir! Please teach me martial arts!
Akira asked him with innocent eyes, and he thought for a while and then said,
I understand. Then you will do a special menu.
It will be a hard training, but …… since you volunteered, you can do it, right?
And somehow, she got chance to learn from the coach.
OK, this is the start.
(No matter how hard it will be…… I have to do my best for my mom and dad!)
The coach looked at Akira with nasty look on his face…
* Training : Objectives and Means
There are various training menus.
At first, Akira is doubtful about the trainings, you can train her well and make her sensitive and naughty.
Akira’s doubts will turn to naivety and then to lewdness.
You can check Akira’s body (Development level).
* Heroine
Akira Hyuga (voice actor: Kanau Hoshiumi)
Height 158, 48kg, BWH measurements 85-59-88
One of the members of the track and field club. She has excellent athletic skills, such as winning the prefectural championship in short distance running.
She appears to be a serious person, but she is also a bit of an idiot.
She often loses control and gets subjective, when she gets carried away.
She is kind-hearted and straightforward, but she is the type of person who loses out because of it.
Her sexual knowledge comes from the Internet, but she has no experience in real.
However, her body is very sensitive.
She has a body that can be easily developed without understanding what her coach is doing to her. She is easy to develped by someone else.
Basically, she is a normal woman, but she seems to havie some troubles right now……
* Notes
(1) The game is created with Unity. Please check the trial version to see how it works.
(2) The animations and voices (including screaming) give the game a great sense of realism!
(3) This is a simulation game that you can give a virgin sporty woman sexual training.
(4) There are various of factors for the woman (Akira). Please use them as hints.
(5) The voice actor is Hoshiumi Kanau.
(6) You can train the woman by kissing her, titsjob, blowjob, pulling her nipples, licking, anal play, sex, and etc…
(7) Each factor is related. Using secret tip, she can be trained forever.
(8) Multiple endings.
(English product description provided by the creator.)
| Circle | Shimizuan |
| Tags | R18, Simulation, Voice, Animation, Application, English |
| Price | 1,430JPY |
Editorial Review
Prison on the Saddle occupies a specific niche within the adult game space: the coerced-training scenario where physical instruction becomes a framework for escalating sexual situations. This subgenre thrives on the tension between the protagonist’s genuine need for skill development and the instructor’s exploitation of that vulnerability, and this title leans heavily into that dynamic.
The setup is functionally sound—a desperate young athlete with no combat experience seeking instruction from a powerful mentor creates immediate power imbalance. The synopsis cuts off mid-sentence (a common DLsite presentation quirk), but the framing clearly signals where this “special menu” leads. What distinguishes this work from similar titles is its combination of simulation mechanics with voice acting and animation, suggesting a more production-heavy approach than text-based alternatives. The tags indicate this is an application-based experience rather than a traditional visual novel, meaning interactivity likely extends beyond dialogue choices into stat-building or progression systems tied to the training premise.
The core appeal hinges on the contrast between Akira’s earnest determination—she’s genuinely trying to save her family’s diner—and her complete naïveté about what she’s agreeing to. This innocent-victim framing is the genre’s emotional engine, and the work appears committed to that trajectory. The voice and animation tags suggest a higher production floor than typical text-only offerings, which may translate to more polished execution of the premise’s payoff scenarios.
This will resonate strongly with players seeking coercion narratives with a structured progression framework and production quality that justifies repeated playthroughs. Those looking for ambiguity, resistance, or moral complexity in their scenarios should look elsewhere. For the audience that specifically wants animated, voiced exploitation within a pseudo-legitimate instruction context, Prison on the Saddle delivers its premise without apology.
Official English version available ↓
Get “Prison on the saddle” on DLsite
English Version → Free TrialJapanese Original
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Related Tags:
R18 | English | Application | Simulation | Animation
