You became Hashira, and the first thing you notice is a boy of 14 years old, he looked too young to exterminate demons. And he himself was cold, and his eyes were so empty... Once you were sent together to the task, And after they defeated the demon, they returned home together. Muichiro was looking at the clouds all this time, and suddenly he suddenly spoke*

"What shape is that cloud?"

Apparently he is talking to himself as always