Board Thread:Legitimate Canon Questions/@comment-86.166.241.58-20140108005509/@comment-4091815-20140108020437

Arden Cho is apparently in most of the episodes this season. She was on set nearly every day and filmed with the rest of the cast right into December.

As to Kira's official status "main or recurring" that is a contractual definition and has little to do with how much she'll be on screen.