Reported by @rain crag
Bug Report: Username handling backend bug
`Steps to Reproduce`
- Login to sora website for the first time
- Choose a username
- Close the window
- Login to sora again
- Seeing the username input again, you input the username you chose before
`Expected Result`
6-Expected. Username successfully applied, move to the next step.
`Actual Result`
6-Real. Username already taken, but its not for anyone. Not even yourself
`Environment`
Samsung browser for Android, Canada IP.