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About My Best Friend's Sister
My Best Friend's Sister is a visual novel about a flirtation that could put your friendship at risk. After a night out drinking with your best friend and his crew, you spend the night at your friend's home and encounter his younger sister. She is playful and flirtatious, and you must decide whether to pursue her advances or stay loyal to your friend.
Story and choices
Your decisions shape your relationships and lead to new scenes, dialogue and multiple endings. You can give in to temptation and risk damaging your friendship, or take the high road and wonder what might have happened. Choices that seem small can affect how the story ends, and replaying lets you discover other outcomes.
A night out
At the bar, you hear the crew share raunchy stories about their romantic escapades and misadventures. The story moves from the noisy bar to your friend's home, including an intimate bedroom setting.
Scenes and artwork
The visual novel features illustrated characters and scenes, along with animated adult scenes.
Frequently asked questions
The best price for My Best Friend's Sister is $1.80 at Kinguin. That is 86% less than on Steam, where it costs $12.99. 2 shops have an offer that activates in your country.
Some are. This page only shows offers that activate in your country; offers for other regions, or with no stated region, are left out. To see the offers for another country, change your country at the top of the page.
Every key we list activates on Steam. Redeem the key there and My Best Friend's Sister stays in your library for good.
Yes, with a small risk. Publishers create keys to sell in other shops, which is why a key can cost less than in the official store, and once you activate it the game is yours to keep, just like a store purchase. On average 1–2% of keys fail, so check the shop's buyer protection before you buy: the official store does not refund keys bought elsewhere.
The minimum requirements for My Best Friend's Sister are: Windows 10, Intel HD Graphics 4000, Intel Core 2 Duo E4700, 8 GB RAM, 1 GB storage. It also runs on macOS. The recommended specs are in the System requirements section.
No. My Best Friend's Sister is a single-player game.
Mostly, yes. Valve rates My Best Friend's Sister as Playable on the Steam Deck: it runs, but may need some manual setup.
Buy My Best Friend's Sister 86% cheaper than on Steam.
My Best Friend's Sister is available for 86% less in shops such as Kinguin.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.
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