The ones harassing Riko and her friends were "former" student council president Enomoto Yuiko (Eno), whose work was stolen by Maki, and her friend and student council treasurer Mizushima Sayori (Sayo). Declaring war on Riko and her friends, Eno and Sayo sneak into the student council room where they discover materials related to the love lab.
Meanwhile, Maki takes on all the responsibilities of the student council herself and collapses from the strain...
But romantic relationships are forbidden.
Pero las relaciones románticas 
están prohibidas.
Pero las relaciones románticas 
están prohibidas.
Les relations entre garçons et filles
 sont pourtant interdites.
Mas, relações românticas são proibidas.