Key facts Key facts on the demons in Demon Slayer: Kimetsu no Yaiba
Twelve Kizuki, Upper Rank, Lower Rank - Relation to the MOON explained.
Y's Crow
Key facts 
Focus Review Demon Slayer: Kimetsu no Yaiba -To the Swordsmith Village- World Tour
Review Demon Slayer: Kimetsu no Yaiba -To the Swordsmith Village Arc- World Tour, Setsubun, Present, Upper rank demons book
Hashira Key facts on the Demon Slayer Corps
Organization, Final Selection, Ranks, Kasugai Crow, Nichirin Blade are explained.
Background What did the Taisho period look like? The historical backdrop of Demon Slayer: Kimetsu no Yaiba
Taisho Period, Mugen Train which still exists, culture and society of the time of Demon Slayer explained
Key facts Key facts to enjoy Anime Demon Slayer: Kimetsu no Yaiba
Learn the story and the key facts of Demon Slay in 3 minutes and warm up for the Swordsmith Village Arc