Back then, before the elder brother was injured, he personally promised to take him to the playground, and he kept waiting to read it. Who knew that the elder brother was injured suddenly and then disappeared.

He missed his elder brother for so many years, and finally he wanted his elder brother back. He wanted his elder brother to fulfill his promise a long time ago, but he didn't want his elder brother to blame himself for breaking his promise. He could only think of such a way.

...