There's trouble at the beach.  The four swim club members are forced to revisit their motivation to swim.  After Rei asks Makoto about his odd behavior during the training camp, Makoto tells them about his past.
positively vibrant,
geradezu leuchtende,
Con una rebosante fuerza vital...
Rebosaba una resplandeciente fuerza vital.
absolument vivifiante,
e ne scaturiva una forte vitalità.
positivamente vibrante,
такой живой,