"vira" can refer to a number of characters. Check the current list of vira_* tags to see if there is a more specific one that fits what you are trying to tag.

Some of the more popular character tags from the list include...

vira_and_viana
vira_(foxxd)
vira_(neopets)
vira_(malafae)
vira_mondetti
vira_(imadeej)

...but check the complete list if the one you want isn't listed here.