For your question: No Tanjiro isn't Yoriichi's descendant, its impossible for Yoriichi to have a descendant since he never reproduced, BUTTTT Tanjiro is a descendant of Yoriichi's close friend! Then closet characters' related to Yoriichi is Michikatsu (Kokushibo) and Muichiro (Kokushibo's descendant) :D

Breathing Style: Greased Pans! 👀🎷🦟✨

Heyy, do you know any restaurant he works ?