Synopsis
“In a classroom at school, my little sister is wearing her uniform… and sucking me off.”
Continuing on from the “Good Night Sex” series featuring an original older brother x younger sister inc*stual relationship.
[Synopsis]
A diligent and stubborn older brother Akira.
A gentle and cheerful younger sister Yui.
After their parents split up, Akira looked after Yui like a father.
And eventually the two crossed a line from which there is no return…
Three years after they entered a physically intimate relationship,
Yui has successfully graduated, and Akira attends the cultural festival at her school.
They walk the corridors of their alma mater and savor the springtime of life.
However, seeing how his sister is unable to join the love talk and gossip with her friends,
Akira thinks to himself, “perhaps I am depriving Yui of her youth?”
Their relationship must be kept a secret, and thus Yui cannot partake in girls’ talk with her friends.
Wishing for her to enjoy life like any other girl Akira brings up the topic of conversation, but…
Yui’s pent up feelings burst through and come flooding out…
In the face of his crying and pleading younger sister, Akira is lost for words.
She performs fellatio on him, and the two have sex as if licking each others sore open wounds.
At the school that he once was enrolled at.
His little sister in the uniform that his classmates once wore.
With the sounds of students discernable beyond the classroom walls,
the two muffle their cries of pleasure—-
While their hearts may be upset… the perverted situation kindles the flames of lust,
and the two cannot resist the sweet temptations of thrusting flesh to flesh…
Series Order:
1.
https://www.dlsite.com/maniax/work/=/product_id/RJ276877.html
2.
https://www.dlsite.com/maniax/work/=/product_id/RJ284361.html
3.
https://www.dlsite.com/maniax/work/=/product_id/RJ310956.html
4.
https://www.dlsite.com/maniax/work/=/product_id/RJ318376.html
5. [THIS TITLE]
5.
https://www.dlsite.com/maniax/work/=/product_id/RJ377949.html
* This title has a relatively stronger focus on the story compared to the other works in the same series.
We recommend reading the other titles first for better enjoyment of this title.
[Credits]
Author: Mika Mikami
AquaDrop
Originally published Summer 2019.
| Circle | AquaDrop |
| Tags | R18, Manga, JPEG, English |
| Price | 990JPY |
Editorial Review
This installment in the “Good Night Sex” series positions itself firmly within the established incest narrative subgenre, where emotional codependency and taboo transgression form the psychological core rather than serving as mere setup for explicit content. The English localization expands accessibility to a demographic that typically encounters such material in Japanese-language original works, marking a notable if controversial shift in the doujinshi distribution landscape.
What distinguishes *Memorial Sex* from routine incest manga is its narrative tension between intimacy and autonomy. The synopsis establishes genuine psychological conflict: Akira’s paternalistic concern that his relationship with Yui is stealing her adolescence introduces a layer of guilt-driven introspection rarely foregrounded in this subgenre, which typically celebrates the transgression itself without interrogating its costs. The three-year relationship framing suggests this isn’t a single transgressive act but an ongoing dynamic where both parties have become emotionally entangled in ways that complicate simple power dynamics. The school festival setting—a deliberately public space where they must perform normalcy—creates thematic friction between their secret identity and social reality.
The combination of “original characters,” established continuity from a prior series, and domestic setup indicates craft-oriented doujinshi production rather than disposable one-shots. The JPEG format and English adaptation suggest professional presentation standards.
This work appeals specifically to readers invested in psychological complexity within taboo relationships—those seeking incest narratives that explore emotional consequence rather than pure transgressive arousal, and audiences comfortable with ambiguous moral terrain where protective love and exploitation aren’t cleanly separable.
*Memorial Sex* succeeds as character-driven erotica that earns its emotional stakes, though its fundamental subject matter remains irreconcilable with mainstream consumption.
Official English version available ↓
Get “[ENG Ver.] Memorial Sex” on DLsite
English Version → Free TrialJapanese Original
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![[ENG Ver.] Memorial Sex (RJ399455) – cover](https://img.dlsite.jp/modpub/images2/parts/RJ351000/RJ350578/95ae3f963f9b416e3665685871dd3519.jpg)





