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...
Seaweed.
.عشب بحريّ
Seetang!
Algas.
Algas.
Vive les algues !
Ecco un'alga.
Alga marinha!
Водоросли…