What does HisAlluringSister.exe do in the game?
It is a useless file that won't do anything. The developer likely forgot to update the build name after changing it, resulting in an outdated .exe file being included by mistake.
My Best Friend's Sister
In 0 playlists0 videos0 commentsUpdated Oct 12, 2026
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No votes yetHow to Download My Best Friend's Sister
This Visual Novel · Ren'Py game is available for free on LELALOL. No payment required — sign in to unlock direct download links for Windows, Mac, Linux, Android, and iOS when available.
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- Return to this page — download links appear below the game info
- Pick your platform and download the latest release
Last updated on LELALOL: Oct 12, 2026
My Best Friend's Sister FAQ
Is HisAlluringSister.exe safe to run?
Running it through VirusTotal shows no issues, so it appears to be safe.
My Best Friend's Sister Known Bugs
Downloaded file from DataNotes triggers a virus/malware alert in Firefox
Workaround: Using another web browser for downloading resolves the issue
Error when extracting files during installation, applies to multiple files
My Best Friend's Sister Cheats
Cheats and codes for this game are available to signed-in members.