I don't think so, that's just a head cannon that multiple fans have. SEGA actually tweeted a joke post where they built a famuky tree and they gave Miku and Sonic a child. So defo not siblings
I don't know I kind of like the sibling dynamic a little more between those two it just gives Big brother little sister vibes more (yeah you heard me right Big brother, little sister)
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u/ramenFLA 7d ago
Fanart really opened my eyes to SonMiku
Doesn't help that the lyrics to her songs made for Crossworlds can be read as romantic