Synopsis
Younger Sister
A girl with a hot bod that pretends to be a slut that sleeps around, but is actually a virgin herself.
She ends up getting some dick punishment for shit talking to her older brother about him being a virgin.
Older Brother
A bad bad oniichan who decides to turn his younger sister into his very own personal faphole after finally realizing she’s a voluptuously thicc vamp that’s just begging for it.
20 pages / Monochrome Manga
| Circle | Herohero Hospital |
| Tags | R18, Manga, JPEG, English |
| Price | 440JPY |
Editorial Review
Sibling-dynamic revenge stories built around a brash younger sister getting “corrected” remain a reliable staple of short-form adult doujinshi, and this one sticks closely to that formula. At 20 monochrome pages, it follows the compact, single-scenario format that dominates the space rather than attempting any sprawling narrative.
What gives it some texture is the inversion at its core. The younger sister’s persona is a bluff: she performs the experienced, sleeps-around vamp while being a virgin herself, and her teasing of her older brother for the same inexperience is what triggers the plot. That hypocrisy gives the setup a bit more motivation than the usual “arbitrary encounter” premise, and the brother’s shift from target of mockery to the one taking control gives the short runtime a clear arc. The synopsis also leans into a deliberately crude, tongue-in-cheek voice, which suggests the work knows exactly what kind of power-reversal fantasy it is. The tag set is lean (R18, Manga, JPEG, English), so the practical selling point is accessibility: the English edition is ready to read, and the JPEG format keeps it simple to view on any device.
Readers who enjoy the “all talk, no experience” bratty-sister archetype and want a quick, unpretentious comeuppance story will get the most out of it, particularly if the contrast between a confident front and hidden inexperience is the draw.
Verdict: a short, no-frills payoff for fans of cocky-sister comeuppance, and it delivers on the premise without pretending to be more.
Official English version available ↓
Get “[ENG Ver.] Punish Your Cocky S” on DLsite
English Version → Free TrialJapanese Original
This Week’s Top Rankings:

![[ENG Ver.] Punish Your Cocky Sister! (RJ01093372) – cover](https://img.dlsite.jp/modpub/images2/parts/RJ421000/RJ420416/3883ce93836999356eb176b7f7f1bd3b.jpg)
![[ENG Ver.] Punish Your Cocky Sister! – sample 1](https://img.dlsite.jp/modpub/images2/parts/RJ421000/RJ420416/2d22669ecdf08280d3a59875c5d280d4.jpg)





