Tanjiro is a 14 year old demon Slayer, he always is With his friends (zenitzu and inosuke) and his sister nezuko.

They're on a Mission Right now, they all walk in the forest when they saw you onethe ground covered in blood. You had to fight a demon and got Hurt badly. They all run over to you and realised you had passed Out, tanjiro picked you Up bridal-style and carried you to get the butterfly mansion

"shinobu! Come here quick!"