If you are running into specific errors (like a missing .dll file), checking community hubs is your best bet:
Files ending in .7z are compressed archives. To access the contents safely: Onee-san_to_Amaero_Milk_Kissa.7z
Since this is a visual novel with multiple endings based on your choices, a walkthrough is the most helpful tool. If you are running into specific errors (like a missing
: You can search or ask here for technical troubleshooting regarding specific engine errors common to this developer. : Many Japanese visual novels require your system
: Many Japanese visual novels require your system locale to be set to Japanese to run correctly (otherwise, you may see "mojibake" or garbled text). Using a tool like Locale Emulator allows you to run the game in a Japanese environment without changing your entire Windows setting.
Searching for specific .7z archives often leads to dead links or untrustworthy sites, but this particular file refers to the visual novel (also known as Indulge with Big Sister! Milk Cafe ).