Kichou goes to school, where she meets another girl who's in love with Nobunaga. The two decided to have a competition in class to see who can convince him to sleep with them.
Listen, make sure you keep 
your mouth shut about stuff.
.اسمعي، احرصي على عدم إفشاء أيّ شيء
Hör zu. Ich möchte, dass du
die Sache unter Verschluss hältst.
Escucha, procura
no decir nada innecesario.
Escucha, no vayas
hablando de lo que no debes.
Écoute, évite d’en dire trop,
d’accord ?
Ascolta, assicurati di non dire nulla fuori luogo.
Ouça, faça de tudo para evitar
de dizer coisas desnecessárias.
Значит так, никому ни слова 
о наших отношениях.