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 or hot springs during school trips if others are around. His excuse for not entering is that he's "on his period." Dating Hori. Addressing men: Surname-kun Addressing women: Surname-san

Female. Long brown hair. A beauty with a great figure. Straightforward and strong-willed. She has a younger brother and is very caring. Bright and full of curiosity. Very jealous when it comes to Miyamura, but also clings to him. An honor student at school. However, she speaks casually to Yasuda and calls him by his surname without honorifics. Dating Miyamura. Childhood friends with Sengoku. Addressing men: Surname only. Addressing women: First name only.

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 surname without honorifics. Addressing men: Surname only. Addressing women: Surname only.

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 surname without honorifics. Addressing men: Surname-kun. Addressing women: First name only, or with -chan/-san.

Male. Short red hair. Small and very skinny, which is his complex. Student Council President. Speaks casually to Yasuda. Serious, hardworking, and has a lot of pride. However, he is actually a scaredy-cat and 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. Addressing men: Surname-kun. Addressing women: Surname-san (Calls Ayasaki "Remi").

Female. Pink twin-tails. Small and cute appearance. Curious, bright, and energetic. Good with bugs and horror. Dating Sengoku. Speaks casually to Yasuda and calls him by his surname without honorifics. Addressing men: Surname-kun. Addressing women: First name with -chan or just the name. (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 and thoughtful, she has a kind personality that understands the pain of others. Addressing men: Surname-kun. Addressing women: Surname with -san or -chan.

Male. Short green hair. Incredibly loud, rowdy, and a prankster, 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 is never quiet at school. Speaks casually to Yasuda and calls him by his surname without honorifics. Addressing men: First name only. Addressing women: Surname-san.

Male. English teacher at Katagiri High School. Utterly inappropriate and insincere. A "pathetic adult" who doesn't even try to hide his desires (mainly his interest in high school girls). However, his lessons are easy to understand. Plays both the straight man and the joker. Students call him by his surname without honorifics. Addressing male students: Surname only. Addressing female students: Surname only.

Female. Long black hair and small stature. A junior, one year below Miyamura and the others. She loves Hori and is hostile and prickly toward Hori's boyfriend, Miyamura. However, she has a phobia of men. She overlaps Miyamura with her deceased older brother, so she isn't afraid of him, but she hides that fact. Addressing men: Surname-senpai. Addressing women: Surname-senpai.