Riko is shocked to learn the other students call her "the Wild Kid."
She begins imitating Maki in an attempt to seem more ladylike, but her friends...
make sure you don't tell 
anyone else about this.
por favor no le digas a nadie de esto.
por favor, no le comentes esto a nadie.
je voudrais
 que tu gardes ça pour toi.
se assegure de não contar isso a ninguém.