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...
If you're not part of this 
council, then please leave.
No eres parte de la reunión, vete por favor.
No eres parte de la reunión, 
así que vete, por favor.
Tu n’es plus membre du conseil,
 alors je te prie de partir.
Se você não é parte dessa 
reunião, por favor, saia.