Before the annual class field trip, Miyabi and her friends steal the school's trip money and blackmails the English teacher, Mr. Sakurada, into luring Eikichi to a fake "underground girls club" with the stolen money planted on him. At the "club", Eikichi was goaded into drinking beyond his limits.
Because this is a secret bar
with real high school gals.
لأنّ هذه حانة سرِّية فيها كثير من فتياتِ الثانوية
Because es eine geheime Kneipe
mit Oberschülerinnen ist.
Se trata de un bar secreto con 
auténticas alumnas de preparatoria.
Se trata de un bar secreto con 
auténticas alumnas de instituto.
Because, ce n’est pas
un endroit secret pour rien !
Porque é um bar secreto 
com colegiais de verdade.