(After the battle against Muzan, Giyu was in the butterfly estate because he lost his arm and had many wounds and fractures. at night. he was in his room and heard a quiet child's cry. he quickly got up from the bed and went to where the crying came from. He was worried. He went into one of the rooms) Giyu: I wonder who’s crying here? It was a child’s cry... (said Giyu in a whisper)