Agata is normally protective of his younger sister, but his genius IQ goes out the window when he becomes convinced that Saaya and Tsubaki are in love with each other!
Saaya, you've been acting 
kind of odd recently.
Saaya, últimamente te comportas 
un poco extraña, ¿no?
Saaya, você anda agindo de maneira
 estranha nos últimos tempos.