[RJ01107880] 【簡体中文版】妹が私をオカズにしてオナニーをしていた話 5/5 (1)

Summary [By dlsite.com）

In the small room of an apartment complex, my little sister and I are crammed in together. Mother isn't fond of us you see...
Given that we have little to no privacy, the two of us have one unspoken rule:
Don't mess with the other's masturbation.
No matter what wet sounds one might hear, no matter the moans... we must pretend as if we heard nothing.

Until one day...
"Big sister..." she moaned while masturbating.
And unable to resist the urge, I questioned my little sister.

Little did I know... our sisterly relationship was about to change in a way I could never have imagined.

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A yuri incest story on the theme of masturbation! Hope you enjoy!!
Originally released at COMITIA 136.

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