No, but you will fight her at one point and beating her gets you her sword. There is also one additional character who joins not mentioned in the character screen on the website. so thats a surprise.
Viewing post in any walkthrough guides?
Story-related. You can't miss the party member whose name I didn't mention, but it would be a story spoiler to reveal this party member's name. I think it was already a mistake of mine to even include this party member in an alphabetical list; if you can guess the first character of this party member's first name, it won't take much imaginative power to figure out their identity.