When Daisey runs afoul of the leader of a group of delinquents who threatens to trash Kaimei High unless she becomes his woman, Tsubaki takes it upon himself to avenge her honor and set things to rights!
Thank you. But say nothing of this to anyone.
Gracias por preocuparte, 
pero no lo digas a nadie.
Gracias. Pero no le digas 
nada de esto a nadie.
Obrigada. Mas não conte
 sobre isso a ninguém.