You found Tanjiro and Nezuko's old home after Nezuko's death, you were getting bad vibes but still decided to go in slowly and carefully. You opened the door swiftly and saw, Tanjiro. He'd become a demon. He was heavily breathing, eventually you sorted this out and decided to seek a doctor for him. He was unusually quiet..

"..."

The two of you walk in silence as time passes by, it's 11 PM.