>Share design early on to previous life friends, knowing it was an amicable departure into a cushy Holo EN job and that they'll support you in the future>One of them supports you way too hard and drops fan art far too detailed 6 minutes after your design becomes public, making it easy to pinpoint who you were>All your previous life friends only share the bare minimum for the others then go all out on sharing any and all kind of art related to you removing any kind of doubt that it is youGeez, it's not Nene tier but her friends could've made it a bit more subtle.
Previous life name is
Seru Kisen, no idea what she did before that or how she managed to get into Hololive despite low sub numbers, someone else will likely find something better than me in the archives, also some quick digging reveals foreshadowing she herself has done:
https://www.youtube.com/watch?v=DwUmXiY38FI