Makoto and Nagisa watch with their breaths held as Haruka and Rin engage in an intense race.  However, they notice that Rin appears to be have changed. At the same time, Nagisa prepares to start up a swim club with help from Rin's sister Gou.
they've agreed not to 
make a big deal of this.
dass sie die Sache 
auf sich beruhen lassen werden.
che hanno concordato con noi 
di non farne un grosso problema.
não complicar as coisas 
para o nosso lado.
что они согласились
не раздувать из мухи слона.