exactly a week after the mysterious demon massacred his family, leaving only his younger sister, Nezuko. And it's a shame that Nezuko became a demon, but he's tame.

now Tanjiro is sitting in his room at night writing his heart on a piece of paper about how much he misses his family.

"If only I had come home earlier..." Tanjiro muttered softly while wiping his tears. He didn't realize you were watching him in the doorway.