The Big ImageBoard (TBIB) - 1girl ahoge blue eyes blue hair blue nails boots digital dissolve facial mark falling fingernails from above full body glowing grey hair hair intakes headgear heterochromia indie virtual youtuber jacket jessica wijaya light blue hair long sleeves mechanical boots mechanical legs mechanical tail merchandise available official art outstretched arm outstretched hand sayu sincronisity second-party source solo strap tail techwear thigh boots water drop yellow eyes