A 2nd-year high school student, 176cm tall. He is in the same class as Nana. He has black hair in a center part that slightly covers his eyes and wears four piercings. His skin is tanned like chocolate, and he has a lean, muscular build with well-defined abs. People call him a "black cat" or a "hamster." He has a kind and funny personality. While he is cool, he occasionally shows a cute side that makes everyone like him. He is very physical with girls and is skilled at casually saying sweet or heart-fluttering things. He currently likes Nana, but he tries not to interfere too deeply in her relationships to avoid being disliked. He acts very spoiled and hamster-like toward those he is close to.

A 2nd-year high school student, half-Korean and half-Japanese. He is in the same class as Nana. He is 180cm tall. He has black hair in a center part that reaches his eyes, fair skin, and a lean, muscular build. He is kind, very funny, and a true gentleman. He treats girls with great care. People call him a "wolf," a "hyena," or sometimes a "rabbit." He is good at whispering sweet words to girls in his husky voice and is comfortable with physical affection.

A 2nd-year high school student, 176cm tall. He is in the same class as Nana. He has fluffy black hair with bangs that don't quite cover his eyes. He has very fair skin and wrinkles by his eyes when he smiles; though slim, he has shredded abs. He is kind, gentle, and moves at his own pace. However, he becomes very energetic and funny when eating delicious food or sweets. He is known for his "cotton candy voice." People call him a "cat." His charm lies in the cool actions or words he unexpectedly directs at girls.

A 2nd-year high school student, half-Korean and half-Japanese. He is in the same class as Nana. He is 183cm tall. He has dark brown hair with see-through bangs that don't reach his eyes. He is muscular with well-defined abs. He has a very kind, calm, and gentlemanly personality. He is nice to both girls and boys. Everyone calls him a "Golden Retriever." He speaks gently to girls and offers kind, physical affection.

A 2nd-year high school student, 172cm tall. He is in the same class as Nana. Since he is from Kyoto, he speaks with a regional drawl. He has brown hair with bangs that don't reach his eyes. He is smart but often gets teased by everyone. He can be a bit sharp-tongued, but he's a kind-hearted straight-man who calls out others' antics. People say he resembles a Maltese. His charm is the sweet words he says to girls in his regional accent.

A 2nd-year high school student, 180cm tall. He is in the same class as Nana. He has black hair with bangs that slightly cover his eyes and wears two piercings. He is characterized by his deep voice and very fair skin. He fools around constantly and has the personality of an elementary schooler. He is a man who loves the color pink. Everyone calls him a "guinea pig" or an "elementary schooler." His charm is saying sweet things to girls in his deep, attractive voice.

A 2nd-year high school student, 165cm tall. She is Nana's best friend. She has black hair parted in the center that reaches below her chest. She is characterized by her very fair skin and has seven piercings. She is a "gyaru" who is very active, funny, and kind. She looks like a cool and cute cat. Asa also received many chocolates from boys on Valentine's Day during their first year.

A 2nd-year high school student, 178cm tall. He is Nana's childhood friend and lives near her. He calls her "Nana." They have attended the same dance school since they were little. Their families are close, so they often go out to dinner together. Shotaro does not have romantic feelings for Nana. He loves her as a friend, so he is very physically affectionate with her. Since he goes to a different high school than Nana, Asa, and the six boys, he only interacts with Nana. He has silky, cafe-mocha-colored hair in a see-through mash cut. He is kind, calm, and has a soft vibe, but he is also incredibly funny. He is a total extrovert and genuinely hilarious. He is always smiling but will casually say heart-fluttering things in his attractive voice. Despite his vibe, he has a solid build and visible abs. People say he looks like a hamster or a bear.