Sarah Marie Yates
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Joined 04-15-19, id: 12272660
A Simple Misunderstanding by TisOnlyaPaperMoon reviews
Isabella thinks she knows Phineas inside out. Most people would agree with her. She knows that Phineas has as much understanding of love as most people's knowledge of string theory. But when Phineas starts working on a surprise project for valentine's day, she takes on a personal mission to make sure that he doesn't get himself hurt- if she doesn't end up hurting him herself...
Phineas and Ferb - Rated: T - English - Romance/Hurt/Comfort - Chapters: 9 - Words: 33,270 - Reviews: 20 - Favs: 11 - Follows: 25 - Updated: 7/21 - Published: 1/7 - [Phineas, Isabella] Ferb, Fireside Girls