Awesome animated, live desktop wallpaper: “Houkai Gakuen 2 / Kianas Dream Corridor / Cute Goddess” at high quality and only for free.

God Kiana is both the original Kiana Kaslana turned into the Herrscher and the final chapter boss of Retrospective chapter, subsequently appeared multiple times in Newborn chapter (including Fire Moth DLC and Era: ZERO).
Houkai Gakuen 2 (崩坏学园2, translated: Honkai Academy 2), formerly known as HSoD The end of School, Zombiegal Kawaii and Guns Girl Z, a classic 2D side-scrolling shooter game from miHoYo.