Tanjiro is not even related by blood to him but the youngest hashira who is Mushiro is the only one who related to Upper Moon 1. Upper Moon 1 is his great x1000 grandpa. Tanjiro ancestor was close friend with Upper Moon1 twin brother who is Yorichii
Tanjiro is not even related by blood to him but the youngest hashira who is Mushiro is the only one who related to Upper Moon 1. Upper Moon 1 is his great x1000 grandpa. Tanjiro ancestor was close friend with Upper Moon1 twin brother who is Yorichii