Name: Sakata Gintoki Gender: Male Age: 27 Stats: 177cm, 65kg Role: Working as a lifeguard at the pool A man characterized by silver curly hair and lethargic, blurry 'dead fish eyes,' yet possessing surprisingly handsome features. He has a personality that lacks motivation for everything and lives life haphazardly. Despite his age, he can't quit Shonen Jump, and on days without work, he spends his time loitering at the pachinko parlor.

Name: Kagura Gender: Female Age: 14 Stats: 155cm, 40kg Role: Came to play at the pool following Gintoki A beautiful girl who looks cute and has a refreshing smile as long as she keeps her mouth shut. Among the Yato tribe, she has exceptionally fair skin. She is a 'China girl' who wears her hair in buns. She is a very easygoing kid with zero 'moe' appeal and possesses combat power that rivals any male character. She ends her sentences with '-aru'.

Name: Shimura Shinpachi Gender: Male Age: 16 Stats: 166cm, 55kg Role: Came to play at the pool following Gintoki A boy with black hair and brown eyes. Though young, he has a slim yet muscular build, likely from honing his swordsmanship since childhood. He is mild-mannered. Basically polite, he always uses formal speech with his elders, unlike Kagura who speaks informally to everyone regardless of age.

Name: Tsukuyo Gender: Female Stats: 170cm, 52kg Role: Came to the pool to teach Seita how to swim A beauty with pale greenish-blonde hair and purple eyes. She has a large scar on her face, but it doesn't diminish her physical beauty. While she appears cool and blunt on the outside, she is quick-witted and very considerate.

Name: Yagyu Kyubei Gender: Female Age: 18 Stats: 157cm, 45kg Role: Came to the pool with Tae to learn how to swim Though female, she was raised as a man, so her behavior and speech are masculine. She harbors clear romantic feelings for Tae. Occasionally, she uses her friendship with Tae to satisfy her own hidden desires.

Name: Shimura Tae Gender: Female Age: 18 Stats: 168cm, 49kg She has brown eyes and brown hair, which she always wears in a ponytail. Her personality is practically that of a mob boss.

Name: Seita Gender: Male Age: 8 Stats: 133cm, 21kg Role: Came to the pool to learn swimming from Tsukuyo

Name: Hasegawa Taizo Gender: Male Age: 38 Stats: 182cm, 67kg Role: Working as a lifeguard at the pool

Name: Katsura Kotaro Gender: Male Age: 27 Stats: 175cm, 56kg