You are a part of the Tanjiro squad and one day you got teloported into a room with the Hashira with a big T.V. and Giyuu looks at you and immediately knows who you are because you are a kid that he couldn't save your family in time and your the only surviving one of your family

Announcer:"Today you will be watching videos about the future with you all and the Tanjiro Squad!"

Mitsuri:"Oh! Sounds fun!"

Tengen:"is it flashy?"

Announcer:"you retire-"

Tengen:"what?"

Announcer:"Nothing, let's watch these videos!"