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.
The UV rays this time of year are brutal.
Die UV-Strahlen sind 
zu dieser Jahreszeit brutal.
Los rayos solares en esta 
época son muy fuertes.
Los rayos del sol pegan muy 
fuerte en esta época del año.
Les rayons UV sont particulièrement forts 
en cette saison.
In questa stagione i raggi UV sono forti.
Os raios ultravioleta nessa época 
do ano são brutais.
УФ-лучи в такое время года беспощадны.