Nishikata is at the mall to buy the latest volume of ・00% Unrequited Love・when he runs into Takagi-san. 
She wants Nishikata to help her pick out a bathing suit, but Nishikata is too embarrassed to be seen with her. 
Suddenly, Nishikata hears a familiar voice...
Oh, I know.
.أعلم
Ich hab ’ne Idee.
Ya sé.
Ya sé.
Je sais !
Ah! Trovato.
Ah, já sei.