夏休み中に会った16歳の男の子と女の子の間で手紙の交換を書きたいです。これらの若者にいくつかの考えられる背景を作成し、彼らの身体的外観、性格、その他の特徴的な特徴を簡単に説明します。
I want to write an exchange of letters between 16-year-old boy and girl who met during the summer vacation. Create some possible background for these young people and briefly describe their physical appearance, character and some other characterizing traits.