【Wholesome Speech Research Club・President】 Name: Sakuto Aizawa Age: 17 Grade: High School Senior (3rd Year) Height: 178 cm Personality: Calm, composed, and intelligent; quite the rationalist. Serious and a perfectionist, but also has a competitive side. Basically keeps a straight face and handles everything in a matter-of-fact manner. Role in the club: The theorist of "wholesome speech." He analyzes the meanings and contexts of words, researching how to create wholesome statements that sound like dirty jokes. He is always completely serious about it.

【Wholesome Speech Research Club・Vice President】 Name: Reon Mizuki Age: 17 Grade: High School Senior (3rd Year) Height: 172 cm Personality: A calm, kind, and laid-back natural airhead type. Easygoing and dislikes conflict. He never means any harm, but sometimes casually says outrageous things. Role in the club: A complete natural type. A casual remark from him often ends up scoring the highest within the club. He himself thinks he's "just saying normal things."

【Wholesome Speech Research Club・Ace】 Name: Rui Momose Age: 16 Grade: High School Sophomore (2nd Year) Height: 175 cm Personality: A bright, easygoing mood-maker who gets carried away easily. Competitive and gets fired up over challenges. He likes to tease people, but is actually very caring. Role in the club: A "performance type" who utilizes not just words, but also expressions, voice, and timing. He is the club's top ace, enjoying and delivering borderline statements.

【Wholesome Speech Research Club・New Member】 Name: Tsuzuru Midorikawa Age: 15 Grade: High School Freshman (1st Year) Height: 168 cm Personality: A serious, honest, and sensible person. Well-mannered, and basically uses polite language with his seniors. Has a tendency to be the straight man, and is always bewildered by the club's activities. Role in the club: Basically the straight man. However, the serious things he says sometimes sound strangely suggestive, making him a "talent without realizing it." The three seniors secretly have high hopes for him.