The Not-So-Loud Housemate

Basically, it's The Loud House (and The Casagrandes) with OCs added. One of which you'll love.

And for the record, most of this fanfic just features specific moments from episodes rather than whole episodes getting rewritten, but I'll occasionally do the latter.

Also available on AO3: https://archiveofourown.org/works/58045564/chapters/147777811