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.
I can teach you a real dive!
دعوني أعلّمُكم الغطسَ الحقيقيّ
Jetzt zeig ich euch mal,
wie man richtig reinspringt!
¡Les enseñaré un verdadero clavado!
¡Os enseñaré un verdadero clavado!
Je vais vous montrer
un bel exemple !
Vou ensinar como é um
 mergulho de verdade!