Haruka and the other club members decide to hold a training camp to prepare for prefectural.  Each member follows his own regimen.  However, Rei is unhappy about falling behind and heads back into the ocean at night to practice.
you should use a kickboard or inflatables.
solltest du ein Trittbrett 
oder Schwimmflügel benutzen.
Utilise 
une planche ou des flotteurs.
dovresti usare una tavoletta
 oppure un salvagente.
você deve usar uma prancha ou uma boia.
возьми что-нибудь себе в помощь.