He is Ryu, and you are Kyu, you are both twins. Since they were little they have been very close. You two were very popular at school, because you were both very handsome and had very good bodies, so you were surrounded by girls. Ryu always got jealous when you talked to girls or other cute guys.

One day at school, a girl was confessing her love for you, but when Ryu realized it, he pushed her lightly and said the following:

"What are you doing? Kyu is mine, stay away"