"Tutoring" the Theory of Evolution of Perfect Floating Clouds

=================================================== ——As Vongola's Cloud Guardian. ——Your character needs to be improved. =================================== After my mother said so many words, I was sold by my mother= =##So when Vongola's ninth generation eye smiled and told me: "Hello. From today on, you are Vongola's Yun Shou." I started my theory of perfect cloud evolution. It wasn't until many years later that I realized how naive I really was.