How to recovery a message when you accidentally deleted it reported to junk!!??

An accidently deleted message would likely be in "Recently deleted"

The related article above your question says:

Retrieve a deleted message or conversation

1. In Messages, tap Edit.
2. Tap Show Recently Deleted .
3. Choose the conversations with the messages you want to restore, then tap Recover.
4. Tap Recover Message or Recover [Number] Messages.

You need iOS 16, iPadOS 16.1, or later to recover deleted messages and conversations.

You can only recover messages and conversations that you deleted within the last 30 to 40 days.