If you have this file sitting on an old hard drive or backup, consider uploading it to the Internet Archive for preservation – but only after a thorough malware scan. And if you find the original “AS” group, ask them to re-release with a clearer version tag.
“by AS install” likely indicates:
In visual novel terminology, “Extra” usually means: my cute roommate part 2 v1402092 extra by as install
However, several similar filenames exist: If you have this file sitting on an
Sometimes Windows Defender flags false positives on modified visual novel files. “Extra” usually means: However
: Much of the story takes place within the shared apartment, where you can offer massages or coffee to your roommate to unlock deeper narrative paths and specialized "dream" sequences.