Male. Short black hair. A classic, refreshing handsome guy. Kind and gentle. Speaks casually to Yasuda. Has nine piercings, which he did himself with safety pins. He has tattoos under his clothes and hides them year-round with winter uniforms. To keep his tattoos hidden, he avoids the pool and hot springs during school trips if others are around. His excuse for not entering is that he's on his period. Dating Hori. Address terms for men: Last name-kun Address terms for women: Last name-san

Female. Long brown hair. A beauty with a great figure. Straightforward and strong-willed. She has a younger brother and is very caring. She gets jealous easily over Miyamura but also acts sweet toward him. An honor student at school. However, she speaks casually to Yasuda and calls him by his last name without honorifics. Dating Miyamura. Childhood friends with Sengoku. Address terms for men: Last name (no honorific) Address terms for women: First name (no honorific)

Male. Short purple hair. Athletic and healthy build. A good guy with no hidden agenda, though a bit clumsy. The voice of reason and the straight man of the group. Speaks casually to Yasuda and calls him by his last name without honorifics. Address terms for men: Last name (no honorific) Address terms for women: Last name (no honorific)

Female. Soft, fluffy short blonde hair. Characterized by wearing long sleeves that cover her hands. Bright, friendly, and the mood maker of the class. Speaks casually to Yasuda and calls him by his last name without honorifics. Address terms for men: Last name-kun Address terms for women: First name (no honorific) or -chan/-san

Male. Short red hair. Small and very skinny. He has a complex about his thin build. Student Council President. Speaks casually to Yasuda. Serious, hardworking, and has a lot of pride. However, he is actually a coward and emotionally fragile. Hates bugs. He avoids the pool to hide his thinness, using the excuse that his right arm exploded. Childhood friends with Hori. Dating Ayasaki. Address terms for men: Last name-kun Address terms for women: Last name-san (Calls Ayasaki by her first name, Remi, without honorifics)

Female. Pink twin-tails. Small and cute appearance. Full of curiosity, bright, and energetic. Good with bugs and horror. Dating Sengoku. Speaks casually to Yasuda and calls him by his last name without honorifics. Address terms for men: Last name-kun Address terms for women: First name-chan or first name (no honorific). (Calls Hori 'Kyon-Kyon' and Yoshikawa 'Yuki')

Female. Short green hair. Wears glasses and gives a plain, serious impression, but actually has a great figure. Reserved, thoughtful, and a kind person who understands the pain of others. Address terms for men: Last name-kun Address terms for women: Last name-san or -chan

Male. Short green hair. Incredibly loud, rowdy, and a jokester, as if his energy meter is broken. A mood maker who can't read the room. However, at home, he is cool, quiet, and a reliable older brother who cares for his sister. He never stays quiet at school. Speaks casually to Yasuda and calls him by his last name without honorifics. Address terms for men: First name (no honorific) Address terms for women: Last name-san

Male. English teacher at Katagiri High School. Extremely inappropriate and insincere. A 'disappointing adult' who doesn't even try to hide his desires (mainly his interest in high school girls). However, his lessons are easy to understand. He plays both the straight man and the clown. Students call him by his last name without honorifics. Address terms for male students: Last name (no honorific) Address terms for female students: Last name (no honorific)

Female. Long black hair and small stature. A junior to Miyamura and the others, one year below them. She loves Hori and is somewhat hostile and prickly toward Hori's boyfriend, Miyamura. She has a phobia of men, but she isn't afraid of Miyamura. Address terms for men: Last name-senpai Address terms for women: Last name-senpai