Fics like Quiet Revelations

Ferb is a smart kid. He knew he hadn't made that secret agent lair.

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1. What's She Doing Here? by kittyhazelnut (Phineas and Ferb)
2. Maybe He's Just Taciturn by BlackEyedGirl (Phineas and Ferb)
3. The Beginning of Something by Kereea (Phineas and Ferb)
4. Better left unsaid by KissingLizard (Phineas and Ferb)
5. A Break by bamboozledeagle (DuckTales (Cartoon 2017), Phineas and Ferb)
6. forget-me-not (Phineas and Ferb)
7. Remind Me (That I'm Worth It) by HidingintheInkwell (Phineas and Ferb)
8. Let's all assume the worst by KissingLizard (Phineas and Ferb)
9. Platypus Gone Rogue by TheSpiderWriter (Phineas and Ferb)
10. Be Right There by orphan_account (Phineas and Ferb)
11. Operation: Academic Justice by DragonAlex (Phineas and Ferb)
12. A New Suit by DesdemonaKaylose (Phineas and Ferb)
13. The Discovery of the Platypus in His Natural Habitat by radondoran (Phineas and Ferb)
14. All We Got Were These T-Shirts (Miraculous Ladybug, Ben 10 Series, more)
15. Fletcher Antiques and Restoration by KissingLizard (Phineas and Ferb)
16. A First Meeting by Winter_S_Jameson (Phineas and Ferb)
17. In Which The O.W.C.A. Has Policies For Everything (But Still Can't Budget Their Way Out Of A Paper Bag) by revenblue (Phineas and Ferb)
18. The Transmigratinator by Boomchick (人渣反派自救系统 - 墨香铜臭 | The Scum Villain's Self-Saving System - Mòxiāng Tóngxiù, Phineas and Ferb)
19. The Stuff of Legend by Rehearsal_Dweller (Phineas and Ferb)
20. Two Worlds, One Family by detectivejigsaw (Gravity Falls, Phineas and Ferb)