The phrase "2021 exclusive" likely refers to the marketing of the actress's exclusivity to the studio or the specific release window.
It started as a late-night data drip on a dead forum—just a hexadecimal string and a timestamp: "sone127 2021 exclusive." No artist name. No cover art. Just a waveform and a warning: Play once. Never again. sone127 2021 exclusive
— heard once. felt forever.