The character's name is taken from "There are trees in the mountains, and the trees have branches, and my heart is happy for you, but you don't know it" (Yue people's song)
Cousin relationship.
The story of a younger brother who gave up the person he loved and lived happily ever after with his older brother.
The campus is fresh and fresh, and it is slowly getting warmer by visual inspection. Any similarity is purely coincidental. Bow, happy reading.