Kai and Ichika meet at the station on Saturday so that she can tell him her reply after he asked her out. Ryo coincidentally passes by and finds out the reason that Ichika seemed troubled lately is because Kai had asked her out. Meanwhile, Arie invites Ryo to dinner so that she can tell him how she feels. She brings up the fact that even if Ryo and Ichika did go out, their age gap might just make them both suffer, and then gently places her hand on his...
Then I guess you're going to end 
up being my brother's rival.
.أي ستصبح منافس أخي
Das heißt also, dass du damit
zum Rivalen meines Bruders wirst.
Entonces serás el rival amoroso
de mi hermano.
Entonces, serás el rival amoroso
de mi hermano.
Tu vas donc
Allora immagino che finirai davvero 
per essere il rivale di mio fratello.
Quer dizer que você vai
ser rival do meu irmão.
Получается, что ты будешь
соперником моего брата.