女潜入捜査官の変態痴育 ～娼婦のように乱れる八雲～
| App ID | 3779430 |
| App Type | Game |
| Store Name | The Undercover Officer's Obscene Education ~Sex-Crazed Yakumo~ |
| Developer | Appetite |
| Publisher | Tensei Games |
| Franchise | Tensei Games |
| Supported Systems | Windows |
| Technologies | KiriKiri Engine |
| Last Changenumber | 39323160 |
| Last Record Update | 29 September 2026 – 22:50:44 UTC ( |
| Release Date | 5 December 2025 – 07:20:20 UTC ( |
Undercover agent Yakumo’s mission takes a dark turn when the organization she’s infiltrating already knows who she is. Captured and subjected to brutal “training,” she must endure, adapt, and survive — or risk losing herself completely as they twist her into their perfect double agent.
Steam price history
Special Promotion, ends 8 October 2026
Current Price
-25% $10.49
Lowest Recorded Price
-25% $10.49
31 March 2026
| Currency | Current Price | Converted Price | Lowest Recorded Price | ||
|---|---|---|---|---|---|
 U.S. Dollar |
-25% $10.49 | $10.49 | $10.49 | -25% $10.49 | |
 Russian Ruble |
-25% 390 ₽ | $4.67 | -55.41% | $4.67 | -25% 390 ₽ |
 Indian Rupee |
-25% ₹ 487 | $5.05 | -51.78% | $5.05 | -25% ₹ 487 |
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-25% $5.09 | $5.09 | -51.48% | $5.09 | -25% $5.09 |
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-25% Rp 92249 | $5.15 | -50.82% | $5.15 | -25% Rp 92249 |
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 MENA - U.S. Dollar |
-25% $5.84 | $5.84 | -44.33% | $5.84 | -25% $5.84 |
 Chilean Peso |
-25% CLP$ 5850 | $5.95 | -43.19% | $5.95 | -25% CLP$ 5850 |
 CIS - U.S. Dollar |
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-25% R 101.25 | $6.06 | -42.15% | $6.06 | -25% R 101.25 |
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-25% 1.95 KD | $6.31 | -39.81% | $6.31 | -25% 1.95 KD |
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-25% R$ 33,36 | $6.38 | -39.16% | $6.38 | -25% R$ 33,36 |
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-25% 2850₸ | $6.42 | -38.74% | $6.42 | -25% 2850₸ |
 Thai Baht |
-25% ฿221.25 | $6.58 | -37.23% | $6.58 | -25% ฿221.25 |
 Malaysian Ringgit |
-25% RM27.00 | $6.61 | -36.98% | $6.61 | -25% RM27.00 |
 Qatari Riyal |
-25% 24.74 QR | $6.78 | -35.30% | $6.78 | -25% 24.74 QR |
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-25% S/.23.62 | $6.80 | -35.08% | $6.80 | -25% S/.23.62 |
 Mexican Peso |
-25% Mex$ 127.49 | $6.97 | -33.49% | $6.97 | -25% Mex$ 127.49 |
 Japanese Yen |
-25% ¥ 1200 | $7.60 | -27.52% | $7.60 | -25% ¥ 1200 |
 Uruguayan Peso |
-25% $U318 | $7.88 | -24.79% | $7.88 | -25% $U318 |
 Colombian Peso |
-25% COL$ 26250 | $7.89 | -24.75% | $7.89 | -25% COL$ 26250 |
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-25% 29.25 AED | $7.96 | -24.07% | $7.96 | -25% 29.25 AED |
 Singapore Dollar |
-25% S$10.50 | $8.20 | -21.76% | $8.20 | -25% S$10.50 |
 Hong Kong Dollar |
-25% HK$ 66.75 | $8.50 | -18.91% | $8.50 | -25% HK$ 66.75 |
 South Korean Won |
-25% ₩ 11620 | $8.59 | -18.07% | $8.59 | -25% ₩ 11620 |
 New Zealand Dollar |
-25% NZ$ 15.36 | $8.61 | -17.84% | $8.61 | -25% NZ$ 15.36 |
 Canadian Dollar |
-25% CDN$ 13.49 | $9.48 | -9.55% | $9.48 | -25% CDN$ 13.49 |
 Costa Rican Colon |
-25% ₡4500 | $9.84 | -6.18% | $9.84 | -25% ₡4500 |
 Australian Dollar |
-25% A$ 15.37 | $10.65 | +1.58% | $10.65 | -25% A$ 15.37 |
 Euro |
-25% 10,34€ | $11.62 | +10.86% | $11.62 | -25% 10,34€ |
 British Pound |
-25% £8.84 | $11.67 | +11.30% | $11.67 | -25% £8.84 |
 Norwegian Krone |
-25% 116,25 kr | $12.08 | +15.16% | $12.08 | -25% 116,25 kr |
 Polish Zloty |
47,99zł | $12.33 | +17.61% | $12.33 | -25% 47,99zł |
 Israeli New Shekel |
-25% ₪38.96 | $12.68 | +20.91% | $12.68 | -25% ₪38.96 |
 Swiss Franc |
-25% CHF 11.61 | $13.99 | +33.41% | $13.99 | -25% CHF 11.61 |
 Chinese Yuan |
N/A | N/A | N/A | ||
 Saudi Riyal |
N/A | N/A | N/A | ||
Valve suggested prices are shown on package pages.
Price history
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Additional Information
| Developer | Appetite | |||||||||||||||||||||||||||||||||||
| ReleaseState | released | |||||||||||||||||||||||||||||||||||
| Publisher | Tensei Games | |||||||||||||||||||||||||||||||||||
| Store Release Date | 5 December 2025 – 07:20:39 UTC ( |
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| osarch | 64 | |||||||||||||||||||||||||||||||||||
| community_hub_visible | Yes | |||||||||||||||||||||||||||||||||||
| Social Media | https://discord.com/invite/F23RB7qQ3C https://space.bilibili.com/7042832134 https://weibo.com/7888078985/ https://x.com/tenseigames https://www.youtube.com/@tenseigames/ |
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| Primary Genre | Adventure (25) | |||||||||||||||||||||||||||||||||||
| Store Genres | Adventure (25) | |||||||||||||||||||||||||||||||||||
| Steam Release Date | 5 December 2025 – 07:20:20 UTC ( |
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| Store Asset Modification Time | 27 November 2025 – 08:15:40 UTC ( |
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| library_assets |
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| osextended | empty string | |||||||||||||||||||||||||||||||||||
| name_localized |
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| review_score | 7 | |||||||||||||||||||||||||||||||||||
| review_percentage | 88 | |||||||||||||||||||||||||||||||||||
| Detected Technologies | KiriKiri Engine, Adobe_Flash SDK, Vorbis SDK | |||||||||||||||||||||||||||||||||||
| Steam Deck Compatibility |
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| restricted_countries | CN,DE,SA China,  Germany, Saudi Arabia |
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| Content Descriptors | Some Nudity or Sexual Content (1), Adult Only Sexual Content (3), Frequent Nudity or Sexual Content (4), General Mature Content (5) | |||||||||||||||||||||||||||||||||||
| controllertagwizard | Yes | |||||||||||||||||||||||||||||||||||
| First seen on SteamDB | 28 May 2025 – 03:05:19 UTC ( |
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| Content Descriptors (Including DLC) | Some Nudity or Sexual Content (1), Adult Only Sexual Content (3), Frequent Nudity or Sexual Content (4), General Mature Content (5) | |||||||||||||||||||||||||||||||||||
Supported Languages
| 2 Languages | Interface | Full Audio | Subtitles |
|---|---|---|---|
| Japanese | Yes | ||
| English | Yes | Yes |
Assets
Load all asset images 🔞
| trailer_name | Trailer_eng |
| trailer_category | 3 |
| microtrailer ↴ | |
| video/webm | 3779430/1857638630/b9dbdb633cb822c9c1f10cd232ab41e80ef862d4/1762401048/microtrailer.webm |
| video/mp4 | 3779430/1857638630/b9dbdb633cb822c9c1f10cd232ab41e80ef862d4/1762401048/microtrailer.mp4 |
| adaptive_trailers ↴ | |
| dash_av1 | 3779430/1857638630/b9dbdb633cb822c9c1f10cd232ab41e80ef862d4/1762401048/dash_av1.mpd |
| dash_h264 | 3779430/1857638630/b9dbdb633cb822c9c1f10cd232ab41e80ef862d4/1762401048/dash_h264.mpd |
| hls_h264 | 3779430/1857638630/b9dbdb633cb822c9c1f10cd232ab41e80ef862d4/1762401048/hls_264_master.m3u8 |
| screenshot_medium | 257227450/816038c9900f8fd47b46b0c035f44cf066b4db1d/movie_600x337.jpg |
| screenshot_full | 257227450/816038c9900f8fd47b46b0c035f44cf066b4db1d/movie_full.jpg |
| all_ages | false |
| is_highlight | true |
| timestamp | 10 November 2025 – 05:34:56 UTC |
