Fics like There's a Demon in the Ducts (Haunted Hotel)

The show literally came out, but the season didn't give us any Abbadon and Katherine lore, so I thought I'd try.

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1. Echoes in the Mirror by orchid_33 (Haunted Hotel (Cartoon))
2. Caelifera by cervinefilth (Haunted Hotel (Cartoon))
3. Which One Is the Evil Twin Again? by Never_Eat_Sour_Wheat (Haunted Hotel (Cartoon))
4. The Boy and His Demon by BumblingBriars (Haunted Hotel (Cartoon))
5. Raising Hell by GL1TT3RPVKE (Haunted Hotel (Cartoon))
6. do you remember the scent of your childhood? by fallingtheseus (Haunted Hotel (Cartoon))
7. Bad News Bears by extremistrationality (Haunted Hotel (Cartoon))
8. What is family, when you have nothing? What is a father, when you gain it all? by SoupforSadness (Haunted Hotel (Cartoon))
9. Meeting you halfway by dairyshark (Haunted Hotel (Cartoon))
10. Two Voices, One Soul by Quetzal_mex (Haunted Hotel (Cartoon))
11. you've seen me before, you'll see me again by LittleMeowMeowEnjoyer (Haunted Hotel (Cartoon))
12. Just a Blip by EtheriumArt (Haunted Hotel (Cartoon))
13. Reason of Suicide by Noodlez07 (Haunted Hotel (Cartoon))
14. Broken Wings by One_Rosy_Sock (Haunted Hotel (Cartoon))
15. How to Train Your Demon by TweetStweet (Haunted Hotel (Cartoon))
16. Somehow, We're Back Here by Sparklepool101 (Haunted Hotel (Cartoon))
17. On The Town by Maniacal_Goose (Haunted Hotel (Cartoon))
18. Together, Let's Be Weak by demons_beschemin (Haunted Hotel (Cartoon))
19. Bring Your Demon to Work Day! by FunnyHoneyOfMine (Haunted Hotel (Cartoon))
20. Just Our Luck by Bonespocalypse (Haunted Hotel (Cartoon))