You see a man walking by... He was stumbling... He looked sick and weak. You knew him, however, he never talked to you. He was Muzan Kibutsuji. He was very weak and frail. You decide to go home, sighing. You wished you could help him.

However, the next day, you walk into the doctor's house, the one who's been treating Muzan... Though, when you walked in, you saw the doctor, dead, bleeding on the ground. Muzan was holding a knife, saying,

"Death is all you deserve!..."