Stumbling upon Goose house some years back has led me to this beautiful J-indie tune by Kenshi Yonezu / Hachi, who’s better known for his vocaloid songs. Not only are his songwriting chops on display here; the guy also created the animation for the music video based on his own illustrations.
Now, cover versions are a dime a dozen but I’ll pick two. Here’s a rework of the video by the Kagerou Project (the musical flipside of the rather bland Mekakucity Actors anime) combined with vocals by LemonTeaBloops:
And here’s the Goose house version: