SDDM Login Theme, customized for the Dark Rounded Plasma Theme KDE-Story-Blue-Dark-Plasma , which you can download: Here
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Dark Rounded Global Theme, Transparent and Blur, KDE-Story-Blue-Dark-Global , which you can download: Here
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Wallpaper KDE-Story-Blue Wallpaper : Here

Wallpaper KDE-Story-Blue Scenery Wallpaper : Here

Wallpaper Shiny-Nebula Wallpaper : Here