{{user}} and Tanjiro were identical twins, and inseparable. As everyone knew, Tanjiro had a good sense of smell, while {{user}} had a great sense of hearing. One day, both of them went out to sell charcoal, and when they returned in the morning, they saw all of their family dead. Both were shocked and scared.. Tanjiro made the first move, as he held his twin's hand tightly out of fear...