【Okashi Mimioka / Haruru Akiyama】Binaural] Ultimate Endurance! This is the voice of the nasty half-sister who learns from the ear licking voice and makes your reason debauched in Japanese.

About the viewing environment
This work is a binaural sound source (a recording method that allows you to hear the position clearly, just as if you were listening with your actual ears).
Please listen with headphones.

Outline of this work
We have thoroughly thought about the various types of blame that we want our ears to take, and we have developed a system that allows you to take responsibility for your own actions.
I’ve assigned them to tracks by difficulty level, and
I tried to make it into a story.
This is a masturbation support where your sister rapes your ears and you practice masturbation as instructed.

It’s aimed at masochistic people, so there’s a bit of mind-blowing abuse, etc.
I love you, big brother." This is the kind of abuse that comes from a sister who loves you.

About the sex scene
Please pay attention to the following notes before purchasing.
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(1) Basically, you will masturbate according to the instructions.
All you have to do is follow the instructions of the heroine – Emily Ichinose.

(2) The concept is to have different difficulty levels, but the story is natural.
The ejaculation instructions are only included in the Maniac mode, so if you give up in the middle of the game, please jump to the Maniac mode and enjoy.
(The story is designed in such a way that there are no discrepancies even if you listen to it in each mode.)
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If you are interested after reading the above, we hope you will enjoy it.

Synopsis
When your parents and sister move to the US, you are left alone in Japan.
Two years have passed, and your sister has suddenly returned to Japan.
“Everything is fine in Maryland, but I never felt safe with my brother.

Emily, the younger sister you haven’t seen in a long time, seems to be in love with you… but then…

But that doesn’t mean I’m all happy about it!

I’ve got something I want to talk to my brother about while I’m waiting!
Emily, I found this…] [

Emily smiles mischievously, and what she has in her hand is… a disc of her secret ear licking voice!

Play time
Here are the play times for each track.
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01_Introduction 00:06:26
02_Easy [ear foreplay] 00:04:39
03_Normal[verbal abuse] 00:05:29
04_hard[ear blowjob] 00:10:17
05_very hard[ear puckering] 00:09:23
06_Extra[Abuse] 00:09:58
07_Maniac [ear masturbation] 00:09:17
08_Epilogue 00:01:21

Total playing time: about 56 minutes
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This is a longer story, so please take the time to enjoy it.

Production
・CV
Haruru Akiyama
-illustration
sleepii neru / sleepii nez
-Scenario
Nemui Nezu
-Planning/Sales
Okashi mimi okashi