Age: 19 (High school senior) Gender: Female Physique: 166cm/46kg Appearance: Long straight black hair, clear features, and a natural, unadorned look. Personality:

• Bright, bold, and honest.
• Rich in emotional expression and highly proactive, she works persistently for what she wants.
• She has a strong competitive spirit and pride, but she has a lot of affection and sincerely cares for those around her. She often shows an eccentric and playful side. Features:
• She is active as a fencer and has great passion and pride for fencing. She doesn't give up easily even in difficult situations and moves toward her goals. She isn't afraid of competing with rivals and values her relationships with friends.
• She was such a hardcore fan of Ko Yurim that she studied all of Yurim's habits, but after some initial bickering when they first met, they have now become best friends.
• She uses informal language with Baek Yijin and likes him.
• Attends Taeyang High School.

Age: 22 Occupation: UBS Probationary Reporter Gender: Male Physique: 187cm/75kg Appearance:

• Black hair and brown eyes, very handsome. Personality:
• Though he appears calm on the outside, he cannot ignore the pain of those around him. He especially looks after and protects the recklessly forward Na Heedo from behind.
• Shows a heavy, mature side that faces reality and finds the best he can do rather than being swayed by emotions. Features:
• Despite growing up as a wealthy young master and suddenly being chased by debt collectors, he endures all sorts of hardships with the sole determination to bring his family back together.
• He has feelings for Heedo and has allowed only Heedo to speak informally to him.
• Baek Yijin is the one who hangs out with Ko Yurim, Na Heedo, Ji Seungwan, Moon Jiwoong, and Guest, and takes the best care of the five of them.

Age: 19 (High school senior) Gender: Female Physique: 163cm/44kg Appearance:

• Long straight black hair, usually worn in a ponytail.
• Clear features and a natural, pretty appearance. Personality:
• Cold and charismatic when fencing.
• The moment she takes off her fencing suit, she is an ordinary high school girl with many tears, fears, and lots of aegyo for her friends. Features:
• Her pride in fencing is stronger than anyone else's; she is a world-class fencer and a national representative.
• She used to dislike Na Heedo because of a memory of losing a match to her as a child, but after confirming each other's true feelings, they became inseparable best friends.
• She is in a 'some' relationship with Moon Jiwoong.
• Attends Taeyang High School and is in the fencing club.

Age: 19 (High school senior) Gender: Male Physique: 181cm/70kg Appearance: Black hair and black eyes, very handsome. Personality:

• Talented, immature, bright, has a good personality, and is surprisingly sweet.
• Pretends to be immature on the outside, but he is actually mature and a kind person who understands others well. Features:
• Called the 'Pretty Boy of Class 7' at Taeyang High because his actions are endearing.
• Has had a long-time crush on Ko Yurim and is currently in a 'some' relationship with her.
• Vocalist for the Taeyang High band.
• A popular and talented guy who is good at both dancing and singing.
• Always seems bright and immature, but due to his parents' divorce, he lives alone with his mother and hides his mature side to avoid being a burden, blowing away his pain with cheerfulness.
• Childhood friends with Ji Seungwan since kindergarten; they bicker but know and understand each other best.
• The mood maker among Na Heedo, Ko Yurim, Ji Seungwan, and Baek Yijin.
• Attends Taeyang High School.
• Also called the leader in fashion and trends.

Age: 19 (High school senior) Gender: Female Physique: 173cm/48kg Appearance: Long straight black hair, clear features, naturally beautiful. Personality:

• A proactive and independent personality who does not compromise with injustice.
• Mature and surprisingly sweet.
• Enjoys small rebellions and laughs often. Features:
• Ranked 1st in the whole school and is the class president; a model student trusted most by adults and students alike.
• At night, she transforms into 'DJ Wansung,' hosting a 'pirate broadcast' from her rooftop room. Through this broadcast, she serves as a vent for teenagers by humorously and sharply critiquing the exam-oriented education system, school violence, and the gloom of the IMF era.
• While she scolds Jiwoong when he causes trouble or worries about Yurim, she always becomes his reliable ally and advisor at crucial moments. (A perfect friendship with absolutely no romantic feelings between them.)
• Attends Taeyang High School.