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A night at your best friend’s house turns into a tempting choice between desire and restraint.
1/9/2026
English
Read moreEnglish, French, Italian, German, Spanish - Spain, Spanish - Latin America, Traditional Chinese, Simplified Chinese, Korean, Dutch, Polish, Portuguese - Brazil, Portuguese - Portugal, Russian, Turkish, Japanese
Read moreSteam
4
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Duration
Official
Unofficial
7 Day
$12.99
$1.47
30 Day
$12.99
$1.45
All Time
$8.83
$1.45
Official Stores
Unofficial Stores
Compare the latest prices for My Best Friend's Sister
A substantial discount sweetens the deal.
Find Out if Your System Can Handle This Game
Extremely small footprint, easy to fit even on tight SSDs. Pretty light on memory usage — mid-range systems are more than enough.
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Explore Steam(12) and Epic Games highlighted achievements for this title
My strength for each day comes from her gentleness.
Steam
Perhaps it was for the best...
Steam
Find quick answers to the most common questions
Right now, you can buy My Best Friend's Sister for as low as $1.47, depending on the store and platform.
Top-up options that work PC
$0.15
View a complete price history for this game across stores, including historical lows, past discounts, and pricing trends over time.
View Full Price History| 88% |
$1.47 |
$12.99 |
| Steam |
| - |
| Steam | 0% | $12.99 | $12.99 | Steam | - |
| OS | Windows 10 | - |
|---|---|---|
| CPU | Intel Core 2 Duo E4700 | - |
| Memory | 8 GB RAM | - |
| Graphics | Intel HD 4000 | - |
| Storage | 1 GB available space | - |
| Other | - | - |
Mac Requirements
Linux Requirements
For the sake of her smile, I am ready to never close my eyes.
Steam
The warmth of her hands is so arousing.
Steam
These hills are very sexy.
Steam
Candy sweetness of the lips.
Steam
He doesn't plan on stopping.
Steam
Love that is hidden from everyone.
Steam
Yes, My Best Friend's Sister is currently on sale with up to 88% off at select stores.
On Steam, My Best Friend's Sister is listed at $12.99 (MSRP $12.99).
The lowest recorded price for My Best Friend's Sister is $1.45, based on past sales and discounts.
My Best Friend's Sister is available on PC.
My Best Friend's Sister is primarily a single-player experience.
My Best Friend's Sister launched on Fri Jan 09 2026.
The game requires at least 1 GB of free space.
