She has an "invisible mode" in which when her hp hits 0, she wouldn't die even though u get hit by monsters or spinning gears but the score for the song u played wouldn't b recorded.
Pretty late reply but this is very close to French House , with a dash of dreamy and cute synths, take Red Velvet's Butterflies (closest example), Modjo's Lady, TWICE's FANCY (chorus only) and Daft Punk's One More Time as a reference