Izumi-kun is out sick from school. Shikimori-san learns that Izumi-kun asked Inuzuka to take notes for him, causing her to glare daggers at Inuzuka in envy. Yes, Shikimori-san sees Inuzuka as a rival. When the two of them go to Izumi-kun's house together to take the notes to him, Hachimitsu secretly follows them, and one little word that slips from Shikimori-san's mouth leads her to deduce the reason for this perceived rivalry... On another day, Shikimori-san is at the mall with Nekozaki, where they run into Kamiya-san and invite her to hang out with them.
For some reason, my friend's 
girlfriend sees me as a rival.
لسبب ما، حبيبة صديقي تعتبرني منافساً
Aus irgendeinem Grund werde ich
von der Freundin meines Freundes
Por alguna razón desconocida, la novia
de mi amigo me ve como un rival.
No sé por qué, pero la novia
de mi colega me considera su rival.
La petite amie de mon meilleur pote
me voit comme son rival.
Non so perché, ma la ragazza del mio amico Izumi 
mi vede come un rivale.
Por alguma razão, a namorada
do meu amigo me vê como rival.
Уж не знаю…