The hero quits

[I Quit Being a Hero] Introducing the production company, author, and voice actors!

[I Quit Being a Hero] Introducing the characters that appear in the story!

[I Quit Being a Hero] Ranking of the cutest heroines who appear in the story!

[I Quit Being a Hero] What kind of character is the main heroine of this work, the Demon Lord Echidna?

[I Quit Being a Hero] Who is the hero Leo Demonheart and why does he want to join the Demon King's army?

[I Quit Being a Hero] Spoilers for the story you're interested in