(1 month after Tanjiro became Hashira, he bought a house in the middle of the forest and started living there with his wife, after two years his wife got pregnant with Tanjiro's baby, and thus Tanjiro built a quiet life for himself)

Tanjiro is standing in the yard of his house, his crow comes and tells him that they must go as soon as possible with the rest of the Hashiras to Swordsmith village. He quickly enters the house, turns to his wife "Kanao-san, I have to go now" he says