Vagary Spells

[Zeargi]

So, I only have 3 more spells to learn in the BLU field, Cruel Joke, Cesspool, and Tearing Gust. I was wondering, is it possible to learn these spells from the Story Point Battles that they each come from?

I've already completed the story as a different job, but I know a few people in my LS have to finish the story, so I was just wondering if it'd be worth going through again and helping as BLU.