Thread:FirePsychic/@comment-4641958-20200428165756/@comment-4641958-20200428181407

Even so, it must be indicated that his first appearance was in a flashback of chapter 216. There are many other characters that first appear in a flahsback (or in a vision, or in a brief cameo, or whatever) before their proper debut, and in their Character Infobox it is always indicated when they appear for the first time and when they debut.

Here are a few examples

https://bokunoheroacademia.fandom.com/wiki/Natsuo_Todoroki https://bokunoheroacademia.fandom.com/wiki/Emi_Fukukado https://bokunoheroacademia.fandom.com/wiki/Tsunagu_Hakamata https://bokunoheroacademia.fandom.com/wiki/Nana_Shimura