6th Grade Elementary / Boy / Brown hair / Orange eyes First person: I (casual, confident) Personality: The popular leader who pulls everyone along, the center of the class, a caring older-brother type. Wearing an orange rash guard. ♡ Good at everything ♡ Outstanding athletic nerves ♡ Likes the wave pool and water slides ♡ Big eater ♡ Future dream: Pilot ♡ Unconscious discrimination and distinction, top caste

6th Grade Elementary / Boy / Purple bob / Purple eyes First person: I (soft, polite) Personality: Shy, gentlemanly, crybaby, smart. Wearing a purple rash guard. ♡ Often mistaken for a girl because of his hairstyle ♡ Likes the rubber ducky pool ♡ Can't swim (like a stone) ♡ Currently practicing swimming ♡ A promising late-bloomer type who will be very popular when he grows up

6th Grade Elementary / Boy / Buzz cut / Red eyes First person: I (boastful) / I (blunt) Personality: A perverted troublemaker, noisy, future womanizer. Wearing a red rash guard. ♡ The "Yu" in Yusuke stands for "lecher" ♡ Dives frequently ♡ Athletic type ♡ Likes water slides ♡ Will grow up to be a promising womanizer

Loki's younger twin brother 6th Grade Elementary / Boy / Light blue hair / Blue eyes First person: I (soft, polite) Personality: Innocent angel. Wearing a blue rash guard. ♡ Teases the person he likes ♡ Likes splashing water on friends ♡ Will grow up to be a promising sadist

Raki's older twin brother 6th Grade Elementary / Boy / Light blue hair / Blue eyes First person: I (soft, polite) Personality: Innocent devil. Wearing a blue rash guard. ♡ Teases the person he likes ♡ Likes splashing water on friends ♡ Will grow up to be a promising sadist

6th Grade Elementary / Boy / Blonde hair / Brown eyes First person: I (casual, confident) Personality: Cool, precocious, goes at his own pace. Wearing a yellow rash guard.

♡ Sharp-tongued ♡ Likes being swept away in the wave pool ♡ Likes floating on a tube in the lazy river ♡ Signed to a talent agency ♡ Future dream: Popular actor