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...
I was going to make a little trouble for her
Quería esperar a que estuviera en problemas
Quería esperar a que estuviera en problemas
C’est pour ça que je voulais
 la mettre dans l’embarras.
Eu ia esperar até ela ficar com problemas