Ordinary little Zhou Yi was abandoned by his family since he was a child, had almost no friends, and lived with his adopted grandmother. He thought that his life would be ordinary like this, but at the beginning of his second year of high school, he fell in love at first sight with Zhou Wang, who was forced to transfer due to a fight. From then on, he gave him all the warmth in his body and became Zhou Wang's little sun. Zhou Wang also opened his heart under his warmth, and the two of them walked hand in hand towards happiness.