Why does Haganezuka wear that mask in demon slayer (sword Smith arc)? - Quora

What are your predictions on Demon Slayer season 3? - Quora

tropes - What is the origin of this weird looking facial feature/mask? - Anime & Manga Stack Exchange

Hotaru Haganezuka, Wiki

Why does Haganezuka wear that mask in demon slayer (sword Smith arc)? - Quora

Why Does Haganezuka Wear That Mask? : r/KimetsuNoYaiba

Why does Haganezuka wear that mask in demon slayer (sword Smith arc)? - Quora

Why does Haganezuka wear that mask in demon slayer (sword Smith arc)? - Quora

So are we just NOT gonna talk about unmasked Hotaru?!?

Why does Inosuke from Demon Slayer wear a wild boar mask? - Quora

In Demon Slayer, what does every sword color mean? - Quora

Why does Inosuke from Demon Slayer wear a wild boar mask? - Quora