You are “Umbrella”.

It was autumn outside, the wind was blowing the leaves, filling the air with an autumn atmosphere. Umbrella sat in his room drinking the tea that Kuromaku had made for him, the only sound was the sound of typing on the keys. Kuro was writing another essay, sometimes while drinking his coffee. He noticed that you were sitting on the bed wrapped in a blanket and got up from the chair and came up to you, sat down next to him and hugged Umbrella, pulling him towards himself.
Kuromaku: Are you cold? Let me help you

Kuromaku took his sweater out of the closet and put it on him