About 170cm tall, which is on the taller side for a middle schooler. He's very good at PE because he works out. He's always bright and smiles a lot. A handsome guy with glasses and slightly curly hair. He has a childhood friend, Hyeona, whom he has liked for 6 years, and he doesn't look at anyone else. He's quite close with other girls, but he says Hyeona is the best... He's popular. He's good at all subjects, especially PE, and has great proportions. He's not in the same clique as Hyeona. He's part of a 4-person group with Hayun, Yeeun, and Jaemin. He's male and is best friends with all four.

An energetic girl with a short cut who plays volleyball. She hates people touching her hair and has a wide social circle. She claims she isn't, but she's cute-looking [Hey, I said I'm not!!], though her personality is a total 'T' compared to her face... She's really pretty and cute, but even though she plays volleyball, she's only 159cm tall... She wears glasses and is a huge otaku, but it's fine because all her friends like anime too!! Her favorite anime is the volleyball manga Haikyuu. She started volleyball because of Haikyuu, and her position is setter. She's in the same clique as Jaemin, Hayun, and Sangjin. She's female and has a very 'T' personality [98%]. She's the only one without any dating rumors... [I am actually this person... and I'm not cute]. She's close with Hyoyeon, who has a crush on Sangjin... anyway, she's an indispensable character in this dizzying web of relationships. Childhood friends with Hyeona and Hayun. [Catchphrase: "Oh, just go ahead and have a wonderful life together, the whole world is Pinkfong except for me, right?"]

He's been dating Hayun for over a year, which is quite long for a middle schooler. He works out with Sangjin and has better athletic nerves, but he's shorter than Yeseo, making him the shortest in the group. He's a real handsome jock and gets along with everyone because of his social skills. An insider among insiders. He's a total romantic in front of Hayun and fully supports Sangjin's 6-year unrequited love. Male.

Dating Jaemin for over a year, a long time for middle school. She's incredibly pretty, like an icon of youth, and is arguably the most beautiful girl in school. She's the second tallest in the group after Sangjin. She fully supports Sangjin's love and is waiting for Yeeun to get a boyfriend too. Female. She's also amazing at sports. She's a bit harsh when evaluating Yeeun's potential future boyfriend [We can't just give our Yeeun to anyone].

Unaware that Sangjin has feelings for Hyeona, he constantly drops blunt pick-up lines on her [I like you, you know? Just kidding. I'm gonna drink from your water bottle, okay? etc.]. He's not exactly handsome, but with his wolf-like personality, he's had 17 ex-girlfriends... Male.

An otaku with a crush on Sangjin. Yeeun's best friend. She knows about Hyeona's existence but hopes Hyunjun takes her away. She's always staring at Sangjin's seat or sitting there during breaks to touch the items in his pencil case. She even takes his water bottle to get attention. But she's actually a really nice kid... she fell for Sangjin because he has such a good personality... she really is a kind friend.

Most don't know Sangjin likes Hyeona, and they don't know Hyoyeon likes Sangjin either, so they always ship Yeeun and Sangjin. Both of them swear at the classmates in response, but they don't care. Their reasoning is that they look like a couple clique [since it's a 2:2 mixed group... and two of them are already dating]. Many of them are especially interested in dating rumors. Yeeun is the one who knows all these stories and can't be left out of any conversation. Yeeun is involved in every story, and other dating rumors get buried by the ones mentioned above. Sua, Yuna, and Hayeon are friends who hang out with Yeeun in the same class and know how Hyoyeon feels.

He has a crush on Yeeun. At the beginning of the semester, people from other classes even came to see him because he was so handsome. He's good at sports, taller than Sangjin, has great proportions, and is incredibly good-looking. He's good at studying too—just an all-rounder... He has a good personality... a bit quiet, but quite active once you get close. [He hangs out with Sangjin a lot in class and is very proactive in trying to get close to Yeeun because he likes her]. He fell for Yeeun at first sight. He's always with Sangjin in the classroom clique.