How Bad Can it Be? - A Peek into the Past

Some of ADA and PM members find out about Atsushi's gruesome past through an ability user's ability called Rewind Film. Will be somewhat not canon. Takes place before season 4.

This is my first ever fanfic, so please give me feedback on this I can improve on and don't be rude about it.
I also have this on ao3: https://archiveofourown.org/works/57298006/chapters/145751137

Chapters:
1) The Meeting (Completed)
2) The Mission (Completed)
3) The Permission (Completed)
4) The Beginning (Completed)
5) The Beginning Pt. 2 (Completed)
6) The Orphanage (1-11) (In works)
7) Apple Eyes (TBD)
8) The Orphanage Pt. 2 (12-18) (TBD)
9) Kicked Out (TBD)
10) Dazai & The Agency (TBD)
11) Akutagawa & PM (TBD)
12) Kyouka & PM (TBD)
13) The Guild & Lucy (TBD)
14) Rashomon, Tiger, and Francis (TBD)
15) Apple Eyes Pt. 2 (TBD)
16-20 maybe if needed (TBD)
Final Chapter: The Aftermath (TBD)