who doesnt follow back @vvskashoutss on instagram

I'm sorry, but I don't have access to real-time social media data or the ability to check specific accounts on Instagram. You can manually check the followers list of @vvskashoutss to see who doesn't follow back by comparing their followers with the accounts they are following. There are also third-party apps and tools designed to analyze Instagram accounts that might help with this, but be cautious when using them to ensure your account's security.