Warm Galaxy

That year, 17-year-old Gu Xinghe met 12-year-old Lu Nuan. The little kid he saw for the first time sat obediently at the bus stop every day wearing a school uniform and shaking his legs... Later, 18-year-old Lu Nuan met 23-year-old Gu Xinghe again. He had long since lost his sharp edge and was standing quietly in a coffee shop wearing a well-fitting uniform among the crowd... At the end of the story, the princess and the knight exchange rings on their coming-of-age day.