Sol joined KS at sixteen and became close with Tang Yao. At eighteen, he won the world championship. When he returned to the celebration banquet with the trophy in his hands, his lover was holding a newcomer and whispering to them. The next time the two met was on a variety show. By then, he was the owner of K.S.'s rival club, and it felt as though mountains and seas separated them, leaving them impossibly far apart. So even Charon can abandon Pluto...
Theme: Even Charon can abandon Pluto, but a sunflower will always follow Sol.