【neckline】Katamomi – Sex life with a big sister

How to get a good massage and sex?

The story of a little older sister and brother who become lovey-dovey.

Miki, a female student with large breasts and stiff shoulders, has a younger brother named Manabu.

The first time I saw her, she was very excited. It’s a great way to get to know the people around you.

The light panting that escapes during the massage and the smell that leaks from the nape of her neck excites her. Manabu, who is not familiar with sexual knowledge, thinks it is strange at first, but continues the massage. However, when he is massaging her lower back, he unintentionally rubs his crotch against Miki’s ass and becomes familiar with her.

Miki thinks she is the cause of the savvy and decides to take [care] of Manabu. Manabu has a high sex drive because he has never masturbated before. It’s a great way to get to know the people in your life.

It’s a great way to get to know your fellow man. It’s a great way to get to know the people in your life.
In the end, the sisters and brothers have lovey-dovey sex! And that’s even after they’ve grown up…?

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In this CG collection, a massage for her sister leads to her becoming well acquainted, and after doing a lot of naughty things, they make love.

The characters

[Manabu]
Younger brother. He loves his older sister, Miki.

The story is about a young man who has never ejaculated before, but after becoming familiar with it, the feeling becomes a habit, and he does a lot of naughty things with his sister.
I love the sound of my sister’s voice when she gets a good massage. I also like sex in the same way.

After learning to have sex, I become a complete sex monkey.

[Miki]
Big sister, big tits with stiff shoulders.

She has a normal sex drive and masturbates as much as anyone else. She is worried about Manabu, who is sometimes selfish.

Manabu has a strong sexual appetite, and he is afraid that if he learns to masturbate, he will do it all the time, so he is devoted to taking care of her.

In the beginning, it was just for his brother’s sexual needs, but he gradually fell in love with Manabu’s feelings and the feeling of sex.

She’s not aware that she’s letting out a squeal when someone rubs her shoulder.
His favorite position is normal position (in close contact).
She is a bit of a bracero, and will listen to whatever Manabu wants.

This story is a work of fiction.
This story is fictional and is in no way related to any real person, organization, or incident.

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Author:Sebire

16 basic CGs + alpha
128 full-length CGs including differences
CG total 384 pieces
PDF version of the main story is included.