Eno becomes the student council vice president and Sayo becomes the treasurer once again. The five members of the student council are as eager as ever to resume their love lab. Riko breaks into a cold sweat when the other members begin treating her as their master of love after she blurts out a lie.
It's time for our Love Lab, Master Riko.
Es hora de la investigación 
de amor, maestra Riko.
Es hora de la investigación 
del amor, maestra Riko.
C’est l’heure d’étudier l’amour, 
professeur Riko.
É hora do nosso Laboratório
 do Amor, Mestre Riko.