【AIM】My brother was making a “sister observation record”, so I pretended to have zero knowledge about sex and he did all kinds of things to me.

<お話>
A man is sexually aroused when he sees his sister’s swollen tits as she leans against him, asleep.
It’s a good thing he’s still in the same room with his sister, because he starts to spy on her naked body, but he gets caught right away, and he’s in big trouble!
—You’ll be able to find out more about how to get the most out of your wedding.

This is a story about an older brother who squeezes his younger sister’s tits, nurtures them, and eventually gets laid.

-Moving comic (GIF file), 69 pages.
(moving pages = 44 pages [= 22 basic scenes + 22 difference scenes])

-In moving comic format, in addition to the basic belly short
Shortcut, belly short + glasses, shortcut + glasses
In addition to the basic belly short, there are also short cut, belly short + glasses, short cut + glasses, and short cut + glasses (all with dialogue).

-Belly short version with or without dialogue in normal manga format (JPEG file) that does not move.
There are also 2 patterns (*all with dialogue)

-GIF and JPEG versions are both 1800x1170px in size and in full color.

<<<<< プレイ内容 >>>>>

-Poor tit tweaking

(*↓ All big tits below)

-Big tits teasing
-Breast tweaking
-Fucking
-hand fuck
-cunnilingus
-Normal position
-Standing back
-Sleeping back
-Station Lunch
-side position
-Other variations of the above, etc.

-A few positions for non-moving pages only, etc.

<<<<< 要注意事項 >>>>>

-The heroine’s breasts grow from poor to big in the beginning of this story.
If you don’t like big tits, please be careful.

This story is 100% heartwarming and lovey-dovey incest. Please be careful if you don’t like it.

-The demo version is available at
The GIF version of the page that doesn’t work, the GIF version of the page that works, the JPEG version of the page that works, the
Three types of samples are included.