Hello Listeners! This is Parallels by anonymousfriend27 on A03.
Author's fic summary
“You’re doing it again.” ... “He’s not Oboro.”
“Then why does he keep acting like Oboro?”
(Aizawa has seen Oboro in the most trivial of things ever since he died. It only becomes a problem when it's his problem child that starts reminding him.)
Word Count: 2.5k
Trigger Warnings ⚠️
Grief
Mentioned death
Fic link
https://archiveofourown.org/works/40237077
Image sourced from My Hero Academia Anime series