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.
When it lights up,
a manta ray shows up.
عندما تُضيء ، يظهرُ سمك شيطان البحر
Wenn sie leuchtet,
ist ein Manta zu sehen.
Cuando se ilumina, muestra una mantarraya.
Cuando se ilumina, muestra una manta gigante.
La raie manta s’allume sur le cadran.
C’est une série limitée.
Quando se acende, 
uma arraia aparece.