Synopsis
This is a compilation of CG content featuring first-time extraction scenarios, originally published on FANBOX. The collection includes:
– Masturbation instruction (5 images)
– Extraction fellatio (12 images)
– Reverse cowgirl position (10 images, plus 1 bonus)
– Breast ejaculation (9 images)
Each series is available in Japanese and English versions, with text-free variations included for all content. This comprehensive collection offers multiple language options and customizable viewing preferences to suit your needs.
| Circle | Astro Mazohizumu |
| Tags | R18, CG + Illustrations, PNG, Japanese, English |
| Price | 550JPY |
Editorial Review
This is a robot-themed erotic CG collection positioned squarely in the “service-oriented android” niche that’s seen consistent demand but limited novelty in recent doujin output. The Mk-39 concept trades on the familiar fantasy of a pleasure-focused robotic companion, but the execution here leans deliberately into power dynamics that invert the usual servitude equation—the robot as dominant rather than compliant.
What distinguishes this collection is its structural commitment to scenario variety across 36 total images. Rather than recycling a single premise, it methodically cycles through four distinct scenes: masturbation instruction, fellatio-focused extraction, rider-position reversal, and paizuri cumplay. The inclusion of Japanese/English text variants plus textless versions signals competent production awareness—this is made for international audiences and collectors who want flexibility in presentation. The “sweet sadistic” framing in the title is doing real narrative work here; the dominant robot dynamic avoids the passive-submission aesthetic that saturates most android erotica, instead centering the artificial intelligence’s will over the participant’s.
The CG + illustration hybrid medium is standard for DLsite offerings but relevant to note: you’re getting the visual consistency of CG work with occasional illustrative touches, which typically means cleaner line work and more polished rendering than pure illustration collections.
This lands hardest for collectors specifically chasing dominant/service-reversal content involving non-human partners, particularly those fatigued by the default submissive-robot trope. Viewers indifferent to scenario variation or seeking narrative depth beyond scenario segmentation should look elsewhere. The multi-language approach and textless variants add genuine replay value for format-conscious buyers.
A competently executed scenario collection that respects its premise and audience through thoughtful variant options.
Get “Future Helper Robot ‘Mk-39’ Sw” on DLsite
English Version → Free TrialJapanese Original
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Related Tags:
R18 | Japanese | English | CG + Illustrations | PNG
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Official English version available ↓










