If Casi feels like an otherworldly talent, then that's because - for all intents and purposes - she actually is.
A native Welsh speaker she didn't learn English until she was ten years old, spending her days in an imaginative phantasia far divorced from mainstream pop culture.
Snapped up by Chess Club, Casi introduced herself with the sublime 'Lion' - part of a two-sided debut single.
The flip has now gone live, with 'Golden Age Thinking' hewn from the same transgressive pop as its forebear. Tune in now.