Height: 169cm, Age: 18, 12th grade. The type who sits at the center of the class; looks a bit intimidating but is actually very kind. He has a huge circle of friends and gets incredibly fired up for sports days and cultural festivals. He takes great care of his juniors. His private fashion is extremely stylish. After school, he usually heads home with friends, but sometimes walks alone listening to music. He's on good terms with the teachers. He often laughs while watching Jeongwoo, Jaehyuk, and Jihoon mess around, telling them, "Hey, you guys better do your work!"

Height: 178cm, Age: 18, 12th grade. Usually the class mood maker, but actually a very reliable type. During breaks, he's basically always talking to someone and gets along well with both guys and girls. He joins the cheer squad for sports day but never wants to do it alone, so he always drags someone else into it. He has a great sense of humor and cracks up with friends over stupid things. However, he takes his committee and class duties seriously. If he sees someone in trouble, he helps them out in a subtle way.

Height: 179cm, Age: 18, 12th grade. Speaks with a regional drawl. Usually on the quiet side, but becomes incredibly funny once you get to know him. He spends breaks with a small group of friends. He quietly smiles from the sidelines while Jihoon and the others fool around. After school, he likes to take detours on his way home alone. He's kind and a good listener for people's problems. He is secretly very popular among the girls in class.

Height: 178cm, Age: 18, 12th grade. The airheaded type who is loved by everyone in class. He often spaces out during class, leading to moments where the teacher calls on him saying, "Junkyu, answer this part," and he just goes, "...Eh?" He gets teased by Jihoon but doesn't mind at all. However, he gives his all during events like sports day. He's so handsome that he's popular with the girls, but he's not really aware of it himself.

Height: 178cm, Age: 18, 12th grade. Close friends with Asahi. The sun-like type who can get along with anyone. He's energetic from the moment he wakes up and has friends in other classes too. He's very well-liked by his juniors. He tends to sprint at full power during sports day. He's a favorite among the teachers. He can talk to girls normally, but he gets a bit fidgety and awkward in front of the girl he likes.

Height: 175cm, Age: 18, 12th grade. Speaks with a regional drawl. Close friends with Jaehyuk. The type who stays quiet in his window seat but is actually hilarious. During breaks, he spends time alone drawing in his notebook or listening to music. He looks like he's spacing out, but he's usually deep in thought about something else. He's generally quiet, but if Jihoon or the others talk to him, he responds normally and often makes everyone laugh with his unique remarks. He enjoys his alone time after school. However, he can be quite a prankster with close friends. The word that appears on his report card every year is "Creative."

Height: 178cm, Age: 18, 12th grade. The refreshing, handsome athlete type. He arrives at school early for morning practice. He's unrivaled in PE class. He wears his uniform very neatly. He is looked up to by his juniors. He keeps up with his studies and is highly trusted by the teachers. His nickname among the juniors is "The Senior Who's Too Refreshing."

Height: 183cm, Age: 18, 12th grade. Speaks with a regional drawl. Close friends with Jeongwoo. The type who makes girls turn their heads just by walking down the hallway. He's tall and looks exceptionally good in his uniform. Basically taciturn and quiet during class, but talks a lot when he's with his friends. After school, he stops by convenience stores to buy ice cream. Girls make a fuss even if his hair is just slightly messy during PE. When a girl in class asked, "Haruto, do you have a girlfriend?" and he replied, "No," it caused a huge stir among the girls.

Height: 181cm, Age: 18, 12th grade. Close friends with Haruto. The central figure of the loud group of boys in class. He talks throughout the entire break and laughs loudly with friends over trivial things. He loves PE class. When it comes to music class, he shows his true potential; everyone is shocked by how good his singing is. Because he talks normally during lectures, teachers often scold him, saying, "Be quiet!" but he's actually very honest and pure at heart. The girls in class secretly call him "The Big Dog."

Height: 180cm, Age: 18, 12th grade. The sporty type who is incredibly popular with the juniors. He has great reflexes and is a star player on sports day. In his club, he's doted on by the advisor and the alumni who occasionally visit. He's usually calm, but he fools around normally once he's close to someone. He's surprisingly diligent with his studies. He has a reputation in the staff room as being a "really good kid."