What are Rao Xueman’s series of youth pain novels?

The ninth book in the Youth Pain Series should be respectively

"The Little Demon's Golden Castle"

"No One Like Me"

"The Skirt of School Uniform"

"Left Ear"

"The End of Left Ear"

"Hourglass 1"

"Hourglass 2"

"Hourglass 3"

"Sweet and Sour"

"Ten Years" is a youth healing series

"Sugar-coated" "It is a youth love series

"I want us to be together" is a youth growth series