【S-girlfriend/淡雪】Service Girl 04: First time in the bathroom with a sister with sunken nipples!

This is the fourth installment of the [Service] series, and it’s a sex experience with a woman with sunken nipples who teaches you how to be a better person.

It’s a great way to get to know your friends and family.
One day, your eyes met with a lady wearing a uniform that you don’t see around here.
You are glued to the older woman, whose boobs are so big that you can tell even though she is wearing a uniform.
And then a few days later, she started talking to you.

Let’s do something with your sister that is more fun and pleasant than reading or playing games.

You were taken to a multi-purpose restroom on the outskirts of the park.
What awaited me there were my sister’s boobs.

She showed me her raw breasts without hesitation. …… However, there is nothing at the tip that should be there.

It’s not that they’re not there, it’s that they’re buried in those big breasts.
It was the first time you had ever seen a sunken nipple.

Of course, it doesn’t stop with just showing you those special boobs.
Your sister’s goal was your cute little virginity!

●01
She takes you into the bathroom for the first time and shows you her sunken nipple boobs.
Rubbing those breasts and digging out the buried nipples will give you an erection.
Your sister pushes your penis against her nipple and lets you insert it into her nipple.
Then you ejaculate inside the sunken nipple.

●02
You’ve already learned to masturbate, and the ejaculation into your nipples excites you intensely.
Your sister is happy to accept your object into her vagina.
I’ve been doing this for years. It’s a great way to get a good night’s sleep.
But it doesn’t end with one ejaculation, it lets me keep going.

It’s a great way to get your first taste of sex and enjoy it inside.

●03
Later, she takes me into the bathroom again.
You were timid, but now that you’re a man, you’re a little more relaxed.
Your sister is pleased with your growth and gives you a blowjob.
Ejaculation in the mouth, then drinking.
But it’s not enough for you, and today she inserts herself into your sunken nipples and ejaculates into your nipples.

●04
She drinks up your semen in her sunken nipples, and begs you to continue in a standing position.
Naturally, you have to fuck her raw. If you do it hard enough, you’ll soon ejaculate inside her vagina.
She moves to a cowgirl position while wearing a midriff penis.
Then, the older woman attacked me and squeezed out all of the semen I had left.

Total time 01:17:21 (with SE)

You can choose the one you want to listen to (depending on the content, there may be no SE).
Please check out the demo version for characterization, voice quality, and story content.

Stereo recording sound source.
441kHz/320kbps mp3 version and 48kHz/24bit wav version.

A txt file of the script.
Package image wallpaper jpg files (with diff images).

BGM is not included.

Voice actor: Awayuki
Illustration: GGii