Web Compiler Package Output File is overwritten

Question

I am using Web Compiler in Visual Studio 2019 to compile my sass file into a single output file.

I noticed that the more I add another input file, the output file only has the CSS from the last file inpit. Can there be multiple inputs?

These are my inputs below

This is the compilerconfig.json

Output file

Here is the result of the compilation which is the last input file only