Eventually, Kay reached the playground. All rides were wrapped around with long stickers. 'In case of violation, a fine of 5000 dollors will be imposed.' are written in succession.

At the end of the playground, a large willow tree that covered the roof of the pavilion caught her eyes.

All objects belonging to this space and place will disappear. However, Kay hopes that only the tree will be a sign that promises to the residents that it will not disappear. My mother told me a story when i was young. She said that the trees here are all imbued with spirits and are speaking to us every moment. This is not a place where only humans live, but a place where trees coexist. She said that trees make a place where you can breathe. That's why people don't want to leave here.

Kay wandered the neighborhood looking for his grandfather's willow tree. Kay recognized. The trees, which were about the height of an apartment building when she was young, have become so majestic that it cannot be captured with a single glance. Now all the trees are taller than the apartments. The feeling of trees engulfing and protecting the apartment building is greater than the feeling that the trees are swallowing up the building. like a shield. As the sun went down, the shadows of the trees piled up layer by layer, forming a large, warm greenhouse.

Kay thought that the 'tree' here seemed to be a medium that connects the past, the present, and the future. The residents also say that the main reason the reconstruction process has been delayed was because of old trees. When reconstruction was first mentioned in this town, everyone was more worried about trees than ‘Where are we going?’ Currently, the trees are tagging with number.

What do the tree number tags really mean? Are they going somewhere for adoption? is it being sold? Are they going to be adopted and then come back? Kay doesn't know if they'll come back later, but she hopes the numbers hint that they will come back.

Grandpa's house is moving soon. This week, as Kay was organizing his luggage and trash, she felt the old and precious letters being torn to shreds and disappearing. 40 years for him and 20 years for kay. She thought that the disappearance of a place is indescribably empty and void.

Kay found an old letter in his grandfather's chest of drawers.

.

.

『 Today, my son was born. I went out for a walk alone around the dawn of dusk after soothing the family's great occasion. After walking for about 20 minutes, I came to the construction site where the playground was being built. Next to it was a small willow sapling. When my son is all grown up, will that willow tree be bigger than our house? I suddenly imagined that. I'll have to come back later to find the willow tree with my son. 』

Kay went back to the house where she had lived before. The house was still shabby and old traces were more visible than before. But it was still warm. And the yellow marks continued to stretch out like crystals and relate to each other.

The view of the roof terrace of the house was a remote island surrounded by a forest of buildings and neon signs. There was a shower and a tap, but there was rust. It was very dark and dull yellow. Kay showered and drank that rust water every day. She ate and washed for a few days, not knowing if it was rust, and blood came out of her throat. Blood came out and she continued to cough. It's like being placed in the middle of a desert where the yellow sand wind blows. When she told his dad that rust water was coming out, he offered to drop the room indoors (as if why she hadn't spoken in a while).

And clean water came out of the house,

Kay left the house and went to the house where she lived with his grandfather as a child.