中高一貫!!キメツ学園物語 ～鬼滅の宴=特別編=～

These specials were originally shown at the Kimetsu no Utage live event which was held on October 20th 2019 in Tokyo with the voice actors live-dubbing their dialogue. Later properly dubbed and released on the Kimetsu no Yaiba DVD & Blu-ray. Note: Related to the post-credit shorts after episodes 14, 17 on the TV broadcast of Kimetsu no Yaiba.