What's the secret behind Kakashi's mask in Naruto?

Kakashi Hatake is one of those characters in Naruto that one cannot hate.

what's up with Kakashi's mask : r/Naruto

Kakashi Hatake: Behind the Mask of Konoha's Hero

What's underneath Kakashi's mask

Naruto Shippuden: Season 17 Kakashi: Shadow of the ANBU Black Ops – A Mask That Hides the Heart - Watch on Crunchyroll

Naruto - Kakashi is such a troll.

Do you ever find out what is behind Kakashi's mask? - Quora

If 'Naruto's Kakashi Can Look Hot In a Mask, So Can You; Here's How - Culture

Loungefly Naruto Shippuden Kakashi Hatake Anbu Mask Pop! Mini Backpack – YourFavoriteTShirts

Anbu Kakashi Mask, Shinobi Striker Wiki

The Untold Truth Of Kakashi Hatake From Naruto

😱Naruto Mein Kakashi Mask Kyon Pahanta Hai

Lol we don't talk enough about how dapper Kakashi looked at NaruHina's wedding. His ability to make his mask work with any occasion is impressive. : r/Naruto

Naruto Season 4 Gotta See! Gotta Know! Kakashi-Sensei's True Face! - Watch on Crunchyroll