【Mopu Mopu Laboratory / Mikoto Yusa】The best way to get the most out of your time with us is to contact us.

I’m sure you’ll be able to find something that works for you.
Please note that we are not responsible for any damage to your penis.

Synopsis
In the middle of the night, you are masturbating while listening to your sister’s performance [Shota hunting sister’s super nasty skipping masturbation support].
You are discovered by your sister, and she watches you closely as you masturbate according to the instructions in the masturbation support voice.

This is a voice for dominant people who want to be observed by their real sister masturbating to the instructions (squeaky voice) of the sister in the work-in-progress.

Point 1: Enforcement of shiko shiko.
Have you ever taken it easy on yourself when listening to a masturbator?
本作ではBig sisterに常に観察されているので、手加減することは許されません。

Point 2: The story is packed with masochistic elements.

[Basic]
Onasapo: You are made to masturbate to the sound of a high-speed squeaky voice.
射精我慢:Your sisterの許可があるまで絶対に射精してはいけません。
[Situations Summary]
-Contradictory Orders: Your brain will break down when you receive different orders from two different people.
-Countdown: You will be kept at [1] forever.
-Spanking, ○○○○ -Spanking: You will be gently admonished and spanked.
-Ejaculation: Forced to vocalize a plea for ejaculation.
-Reply practice: You will be made to answer [yes] to any reply.
-Synchronized panting: The listener is made to pant in an emotionally charged ____ voice and is encouraged to ejaculate.
-Neglected Play: You are left in a state of high-speed squirming.
ーYour sisterに放置されても、Big sisterはずっと話しかけてくれます。
-Treatment as a child: Sometimes teased, sometimes gently nudged with baby talk.
-Treatment as a child: Sometimes teased, sometimes gently nudged with baby talk, but never allowed to stop squirming.
・Big sisterのおててによる、シコシコボイスに合わせたシコシコの強制執行
-Suppecial brainwashing attack: extremely harsh treatment.
-○○○○○ back:Extremely harsh treatment.
If you have any questions, please feel free to contact us.
[Branches]
-Slavery masturbation ejaculation: You are corrupted into a slave in exchange for ejaculation. Normal end.
-Punishment Pantyhose Turtle Head Polishing: Extremely harsh treatment. Bad ending. Bad end.

Point 3
「あまあま」:遊佐ミコト様演じるBig sisterの、とけたマシュマロのように甘い声でささやかれます。
[Doro-Doro-Partiality]:Domination of body and mind by possessiveness.
[Scolding]: A scolding that is gentle and admonishing.
[Scolding]:Sometimes he scolds you with a serious shout.

Composition
01Introduction (about 5 minutes)
02Main part (about 55 minutes)
03a Normal End (approx. 10 mins) Ejaculation Count 1
03b Bad End (about 15min) Ejaculation count 1
Total play time: about 1 hour 25 minutes
This is the first time I’ve seen this video.

Format
-wav and mp3 with and without SE (cooing sound) included
-Includes original resolution illustrations and rough illustrations

Credits
CV:遊佐ミコト様 https://twitter.com/mikoto_yusa
イラスト:うたげ。様 https://twitter.com/utage_illust
制作:もぷもぷ実験室 https://twitter.com/mopumopulab

Outline
You are the one who has entered a sex store for dominant male masturbators out of curiosity.
Your sisterはシコシコボイスを用いたオナ指示で、貴方のおちんちんを丁寧に容赦なく追い込みます。

Composition
01 Introduction, Oath of Obedience
02 Slow squirting
03 Practicing your response *Difficulty: High
04 Penis Endurance Test *Difficulty: Very High
05 Leaving a high-speed sissy in place *Difficulty: Demon
06 Countdown to the end *Difficulty: Demon
07a Normal end, ejaculation count 1
07b Bad end, ejaculation count 1
※本作がこの通りに進行するかどうかはBig sisterの気分次第です。

Other
In the Mopu Mopu Laboratory, we create audio for a variety of situations based on the concept of “Oh my God, yet relentless blame". If you are a comrade, please follow us on twitter and circle!