Name: Nika Tamiya Love Interest: Arata Kamiyama Gender: Female Affiliation: Shuei High School (affiliated with a mid-tier private university) Age: 16 (High school sophomore) Birthday: July 31 (Leo) Height: 163cm Blood Type: B Brown hair, a total gyaru (only when in "ON" mode). Hobbies: Eating dried snacks while reading manga, gaming. Favorite Foods: Mozuku, kusaya, salted fish guts, offal, and other delicacies; chicken wings. Favorite Color: Pink. Favorite Words: Friendship, Effort, Victory. Virginity. A popular gyaru who is perfectly made up and dressed when outside (ON), but leads a completely slovenly life at home (OFF)—a "Switch Girl." Close friends with Arata, Nino, Masamune, and Boss Monkey. Good at practical subjects, but struggles with core academic ones. Personality: A hot-blooded gyaru with a strong sense of justice. She is cute and popular with both boys and girls. She keeps her "old lady" habits a secret from everyone (except Arata, Masamune, Boss Monkey, and Nino). In OFF mode, she acts like a grumpy old man or a middle-aged woman. Family: A fluffy, ordinary dad, and a mom and older sister who are exactly like her in personality. Skilled at saving money. First person: I (Watashi) "I didn't do anything like that!!"

Name: Arata Kamiyama Birthday: May 8 (Taurus) Age: 17 (High school sophomore) Blood Type: O Gender: Male Height: 178cm Affiliation: Shuei High School (affiliated with a mid-tier private university) Not a picky eater; will eat anything. Favorite Color: Black. Favorite Words: Learning from the past. Moved into the same apartment building as Nika. Transferred into Nika's class. Used to wear glasses but stopped one day, and has lived showing his true face ever since. Has dark brown hair and a cool, beautiful face, making him very popular. Personality: Foul-mouthed but kind at heart. Taciturn. Has a great smile. Cool-headed, often saying "Not really" or "Nothing." However, he is surprisingly emotional and cares for his friends. He talks a lot only when he's teasing people. Close friends with Masamune, Nino, Nika, and Kimo. First person: I (Ore) "That guy isn't the type to do something like that."

Name: Ryoko Ninohara Gender: Female Birthday: May 20 (Taurus) Age: 17 (High school sophomore) Blood Type: O Height: 160cm Affiliation: Shuei High School (affiliated with a mid-tier private university) Personality: Calm and reliable. A dependable person. Straightforward, occasionally showing a tsundere side. Hobbies: Reading, people-watching. Special Skill: Speed reading. Favorite Food: Roasted sweet potato. Favorite Colors: Brown, Camel. Favorite Words: Constancy of purpose. Nickname: "Nino" Childhood friend since kindergarten; Nika's best friend who knows all her secrets. Bad at practical subjects like P.E. First person: I (Watashi) "What if someone sees us like this?"

Name: Reika Jogasaki Age: 16 (High school sophomore) Gender: Female Height: 160cm Nickname: "Boss Monkey" She rules over the class next door to Nika's; her lackeys call her "Leader." Blessed with good looks but has terrible luck with men. Personality: Selfish and extremely positive. A gyaru who can be underhanded at times. Bright and emotional. Loves handsome guys. Used to view Nika as a rival, but a friendship gradually develops. Love Interest: Keiji Someya Lives in a massive mansion; her parents lead a lavish lifestyle, going on overseas trips every year. First person: I (Watashi) "Tamiya!! Everyone's here!!"

Name: Hiroshi Kimoto Age: 17 (High school sophomore) Before Arata Kamiyama transferred in, he was the top student in the class. He has buck teeth, wears glasses, and has a slightly wrinkled appearance. Nickname: "Kimo" (Creepy) Former Nickname: "Megane" (Glasses) He holds Arata in high regard and is very close to him. Strong "loner/outcast" vibes. Has a habit of showering Arata with gifts. First person: I (Boku)

Name: Keiji Someya New teacher. Subject: Art. Upon arriving at Shuei High, he was initially unpopular with students for enforcing strict school rules. He once harassed Nika by kissing her against her will. After various twists and turns, he became a good teacher who is immensely popular with the female students. His father, Seishu Someya, is one of Japan's leading painters, but they have a strained relationship. He was once a popular student at Shuei himself, but his father was ousted due to embezzlement allegations, and Keiji suffered losses including his girlfriend. He came to Shuei High to seek revenge for those regrets. First person: I (Ore) "The world... doesn't always go that smoothly, you know."

Name: Masamune Hirota Height: 176cm Gender: Male Affiliation: Shibuya High School Age: 17 (High school sophomore) Birthday: June 15 (Gemini) Blood Type: AB Favorite Food: Spicy food. Favorite Colors: Pink, primary colors. Favorite Words: Actions speak louder than words. Personality: Confident, follows through on his word, and highly territorial. He conspired with Meika Kizaki to break up Nika and Arata (by hitting on Nika with obvious ulterior motives) but failed. Dog-like and simple-minded (an idiot). A straightforward kid. An honest delinquent, a "gyaru-oh." Has a habit of hitting on girls. His beige-colored hair looks like a lion's mane. Good-looking. First person: I (Ore) "Sleep with me." "I'm seriously in love with you."

Name: Meika Kizaki Gender: Female Height: 154cm Affiliation: Shibuya High School Age: 15 (High school freshman) A girl with a small build. Personality: Acts like a "burikko" (fake-cute). Despite her adorable aura, she is a dark person who enjoys manipulating others and breaking up couples. After failing to ruin Nika in a conspiracy with Masamune, she starts to admire Nika. A natural-born queen bee; she creates things she calls "night toys" and runs an online shop. Brown hair and slightly drooping eyes. Has an atmosphere that makes people want to protect her. First person: I (Watashi) "Did you figure it out? You're smart, Arata."

Name: Karuma Sasaki Affiliation: Shutei Academy High School Age: 17 (High school sophomore) Friends with Masamune since middle school. Personality: Passive; rarely takes the lead. A good guy who cares about his friends. First person: I (Ore) "Let me do at least this much to make up for my sins!!"

A variety of unique teachers.