UTAU Lost Media

UTAU, as it would happen, is a breeding ground of sorts for media of the missing variety -- songs (audio and/or MVs; covers or originals), voicebanks, USTs, fan-sites (knock on wood, knock on wood), the works. Call me someone with something to hide, because I love lost media; and call me John Lennon, because I'm not the only one. And as such....................*gasp*............

✮✮ ♫ Here's a thread dedicated to discussing UTAU lost media, of all sorts! ♫ ✮✮

I'll start off with a topic that has captivated me for weeks now: The Shikabane Series* by M★AHO-P (*These releases were never officially referred to as a series; but as a former player of the MASA WORKS DESIGN game, this is just a naming convention that makes compartmentalizing information as easy as it can be ;P)
I may have gotten ever-so-slightly far too carried away while writing, as in the process of doing so, I discovered that UtauDB has a character limit; as such, I've compiled all of my writing into a Google Doc that you can visit HERE.

So how about you? What's your favourite piece of UTAU-related lost media? A piece you've never seen anyone else cover? A personal piece? A piece people have been dying to solve for ages?

✮✮ ♫ Share and share alike, good reader :D ♫ ✮✮

ooh, i absolutely LOVE hiroi umi!!! shes this, like, water angel thingy..?? babi made an mmd model for her, and she had two voicebanks (i believe) before they got deleted from her uploader . she has an original song called "creation_proof", i really like it!!!!

I used to have a DeepVocal VB for my UTAU Ebbiki Aishuu, unfortunately I think that's lost media now, unless someone other than me saved it...
Her UTAU is still up, but I'm trying to redesign her & update the ToS in her VB folder before I upload that here. Her original demo was of Sweet Float Flats, and I think that's also gone. Someone saved a Vocaloid cover I made in 2017 (?) of an at-the-time lost song though, so anything could be possible.
I also used to have a few lost UTAU VBs like CO2 and Missy (though I believe Missy was recovered because Ghost archivists are quite dedicated), but unfortunately due to moving computers a number of times I lost the files. I probably have a few 'lost media' USTS, though. I know for a fact I have numerous lost VSQx files, but that's sort of off-topic.