So, maybe the user is looking for an app related to Rimuru. But let me verify. First, I'll search for any existing applications with similar names in the Google Play Store in 2021. If the app isn't listed there, it's likely a third-party app. The version number is 0.0.4.0.4, which is pretty low, so it's probably a small or indie project.
Lastly, I need to ensure that my response is compliant with policies regarding APK distribution. Directly providing download links or encouraging downloads from unverified sources is discouraged. Instead, guiding the user to official sources or advising caution with third-party sites is better. 18 nemurimouto apk v004004 download free for android 2021
The user might be seeking a specific version from 2021. I should consider if that version is still available. If not, they might need to look for it in archives or mirrors. Also, I need to be clear about the steps to download the APK—like enabling installation from unknown sources on Android, and maybe using a file manager to install the APK file. So, maybe the user is looking for an app related to Rimuru