I'm a Celestial Master in the Interstellar Era

You think that just because interstellar technology is advancing at breakneck speed, demons and monsters can no longer wreak havoc in the human world? You think those flashy, towering mecha warriors can subdue demons and exorcise evil? What a load of nonsense. Go home and take your medicine! Su Xiaoxiao, a girl from the 21st century, transmigrates into the future and becomes Su Xiaoxiao, an adorable little interstellar exorcist. Born with a sacred spirit body and the ability to transform into a fierce beast, she even occasionally turns into a catgirl. Cutest thing ever! Hmph, you stuck-up mecha fanboys! Hmph! Polish those titanium-alloy eyes of yours and behold this exorcist's mighty and heroic bearing! Wahaha... "Hey, kitty, you're drooling. Wake up..."