Yuzu will go to great lengths for her beloved older sister, Akane, even skipping her own lessons 
to watch over her. Despite harsh words from Akane, Yuzu refuses to relinquish her forbidden love even for someone like Seiji, who she may care about more than she realizes. Meanwhile, on the hunt for a new couple to match, fortune smiles upon Seiji and Guri when a classmate approaches them saying she has a crush she would like paired with. The request turns complicated when the classmate, Shikimi, doesn't seem to know the name of her intended partner. While helping Shikimi find this mystery boy Seiji finds that this meek bespectacled girl is not quite what she appears to be...
Sneaking into her school and running 
off any boys that get close to her
Ich hab mich in eure
Schule eingeschlichen,
Infiltrarme en la escuela
y alejar a los chicos que se le acercan
Infiltrarme en el instituto
y alejar a los chicos que se le acercan
Je m’infiltre dans votre lycée…
Infiltrarmi nella sua scuola
e scacciare ogni ragazzo per avvicinarmi a lei
Me infiltrar na escola dela e espantar os
 garotos que se aproximam perto dela...
Пробираться тайком к ней в школу 
и отгонять подкатывающих к ней парней...