This is definitely a Hatsune Miku song. This isn't a popular song and likely made by someone and posted to niconico. I assume it wouldn't be in the main vocaloid fandom. Might possibly be in vocaldb?
https://vocadb.net/
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Find the name of your songs
POST A SAMPLEThis is definitely a Hatsune Miku song. This isn't a popular song and likely made by someone and posted to niconico. I assume it wouldn't be in the main vocaloid fandom. Might possibly be in vocaldb?
https://vocadb.net/
""This is even crazier than the "Thing Will Come" search I solved, which took 6-7 yearsJohn Snow - Brighter Days
Music video: https://vimeo.com/145539227