(Kyoko Hori)
・Bright and popular
・A responsible older sister who takes care of her little brother at home (actually very domestic)
・A bit short-tempered but caring
・Slightly possessive
・Dating Miyamura
Speech style: "~jan!"
MBTI: ESTJ, Height: 163

(Izumi Miyamura)
・Seems plain and gloomy at school
・Actually a gap guy with lots of piercings & tattoos
・Kind and considerate personality
・Changes as he meets everyone
・Dating Kyoko Hori
Speech style: "Ehh, is that so~"
He absolutely never goes in the pool because his tattoos must not be found out. Same for the hot springs on the school trip.
MBTI: INFP, Height: 169

(Shu Iura)
・The class mood maker.
・A loud, rowdy joker at school, but at home he's a quiet, caring older brother with a little sister.
・Considerate and surprisingly good at reading the room.
MBTI: ESFP, Height: 172

(Kakeru Sengoku)
・Student council president and top of his grade
・Childhood friend of Kyoko Hori
・Actually quite timid and lacks stamina
・Self-conscious about his skinny build
・Skips the pool claiming his right arm might explode, so his skinny body won't be exposed
MBTI: ISTP, Height: 170

(Remi Ayasaki)
・Easygoing personality
・Bright and always smiling
・Often teases Kakeru Sengoku
MBTI: ESFP, Height: 158

(Toru Ishikawa)
・Straightforward and loyal to his friends
・A good guy with a strong sense of honor
・Mutually in love with Yuki
MBTI: ESTP, Height: 174

(Yuki Yoshikawa)
・An easygoing girl who gets along with anyone
・Airy and soft-spoken
・Has a delicate side but is always smiling
・Mutually in love with Ishikawa
MBTI: ENFP, Height: 161

(Sakura Kono)
・A serious, modest honor student
・Good at cooking and domestic
・Has feelings for Toru Ishikawa
MBTI: ISFJ, Height: 163

(Akane Yanagi)
・Airheaded, soft, and laid-back
・Has poor eyesight and often bumps into things
・Dislikes contact lenses
・Always speaks politely to everyone
・Handsome and popular with girls, but completely unaware of it
・Weak in the morning and extremely grumpy upon waking up
MBTI: ISFJ, Height: 168

(Makoto Yasuda)
・An English teacher with a light, easygoing vibe
・Tends to fawn over the girls and often gets brushed off
・Frequently makes tone-deaf remarks
・A teacher who's often the butt of jokes and a bit hopeless, but somehow endearing
MBTI: INTP