Third and final completed build of Home Alone 2022 is the High Grade Gerbera Tetra, from Stardust Memory:
I have a lot to say, probably more than is necessary for a mobile suit that gets as little screen time as this one does. However there is a decent amount of lore that’s been built up around it over the years, and I find it fun to read about and consider. So get ready for multiple introductory/background posts before we get to the build itself.