This is ""Safe" House" by Calix on Ao3.
Link To Fic:
https://archiveofourown.org/works/42319350/chapters/106267803
Author Tags:
Danny Phantom, Batman - All Media Types, Danny Fenton & Damian Wayne, Tim Drake & Danny Fenton, Danny Fenton, Damian Wayne, Tim Drake, Jason Todd, Tumblr Prompt, DP X DC, Dc x dp
Author Summary:
"Tim and Damian were helping Jason move safe houses.
What was this in the back room?"
- Clarity 💖
