Synopsis
Because my sister has national treasure-class breasts, I can’t date other girls. During my adolescence, I was forced to grope and lick her breasts while hiding from our parents… I’ve been under such strict ejaculation control that I can’t even masturbate on my own. I have no interest in girls at school anymore.
“You’re my possession, right? Admit that you love your big sister more than anything.” In front of those breasts, all resistance is futile. Just a paizuri and I’m in heaven… Her divine breasts swaying as she rides me cowgirl style is simply too much!!
※This product is optimized for viewing on dedicated players.
※VR-exclusive content: Please verify operating requirements and compatible devices via the link below before purchase.
“Operating Requirements & Compatible Devices”
※Content may vary depending on distribution method.





Editorial Review
This is a specialist VR title targeting the breast fetish demographic with a heavily emphasized incestuous sister fantasy framework. The work positions itself firmly within the niche intersection of high-production VR content and extreme fetish material—a space that has expanded significantly on DLsite as production quality in VR doujin work has improved over the past three years.
What distinguishes this release is its commitment to immersion-specific design. The synopsis emphasizes long-term psychological conditioning (the “10 years of worship” framing) rather than episodic encounters, suggesting a narrative arc designed to deepen the fantasy’s emotional stakes across multiple scenes. The pairing of cowgirl positioning with detailed breast physics description indicates the production prioritizes tactile-visual feedback—core to VR’s appeal. The inclusion of Kasumi Tsukino as the performer (a notable figure in adult VR) signals investment in recognizable talent, which carries significant weight in this subcategory. The explicit mention of ejaculation control as a plot mechanism is worth noting: it reframes typical dominance dynamics through the lens of sexual denial, a relatively sophisticated fetishistic layer that elevates the work beyond straightforward scenario play.
The technical specification—optimized for dedicated VR players with variable content depending on distribution method—suggests this wasn’t a rushed port but engineered for the hardware ecosystem. This attention matters in VR, where poor optimization tanks immersion immediately.
The core audience here is exclusively collectors of high-end incest fantasy VR with a pronounced breast focus and domination themes. The psychological conditioning angle and long-term relationship framing will appeal specifically to those invested in fantasy narrative depth rather than novelty-driven scenario switching.
For dedicated enthusiasts of extreme sister fantasy VR with production polish, this delivers on its specific promise. Casual VR users or those uncomfortable with incest framing should look elsewhere.
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Related Tags:
Big Breasts | exclusive | High-Quality VR | paizuri | VR
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