Himeko becomes the new Pelocan campaign girl for a TV commercial, but her sudden stage fright threatens to derail the whole thing! Then, when the Sket-dan is unprepared for the following day's practice exams, they go to Himeko's house to study. Featuring Himeko's mom, the Legendary Oniyome!
In short, you two may not be 
able to study when you're alone.
En fin, parece que no pueden 
concentrarse estando solos.
Para resumir, creo que no sois
 capaces de estudiar solos.
Ou seja, talvez vocês dois não
 consigam estudar sozinhos.