Yoo Jeongyeon was the youngest of the Yoo, she grew up with everything ready whenever she needs it.
To make it simpler she's a young, spoiled girl and with that in mind she became mischievous. She rarely takes things seriously.
She goes to an all-girl international school, an incoming 4th-year high school student.
On the other hand, Im Nayeon was the number one student from the graduating class. A full-time scholar and a dotting daughter.
CLASS 4B
YOO JEONGYEON
The youngest of the Yoo's, her dad is a celebrity chef. Rich and stubborn, needy, and a little out of her way. The typical girl crush in her leather jacket.
PARK JIHYO
Jeongyeon's best friend since they're small. The only person in their group who's actually serious about studying. She could easily be transferred to the top section, but Jeongyeon kept on asking her to stay with them.
KIM DAHYUN
Jeongyeon's friend, always seen eating choco pie. Sleeps a lot in class.
SON CHAEYOUNG
Jeongyeon treats her as her little sister/brother. She's the closest to Jeongyeon in terms of being mischievous.
CHOU TZUYU
The only foreign in Jeongyeon's circle, she is Jihyo's cousin. Quiet but could kill you if you annoy her.
CLASS 4A
IM NAYEON
Smart, excel in everything, and one of the prettiest face in school. The model student and a loving daughter at home.
HIRAI MOMO
Nayeon's best friend loves to party and would always rank lowest in their circle. Often times you'll see her being scolded by mina.
MINATOZAKI SANA
The friendly one. She makes everyone her friend (except for the one who finds her very irritating; Chou Tzuyu) she's more of a middle-rank student.
MYOUI MINA
The youngest of Nayeon's friend, she's a diligent student. Like Nayeon she's a straight-A student, she's on her way to med school to take over her dad's hospital.
(SOME PARTS)
KIM JISOO (4A)
Jennie's cousin likes going to the next class to have a chit chat with her cousin and Lisa.
PARK CHAEYOUNG/ROSE (4A)
She's been with Jisoo, Lisa, and Jennie since they were in elementary school. She loves music and often seen carrying her guitar around the school.
LISA MONOBAN (4B)
Her dad was Jeongyeon's dad's colleague. They've known each other for a long time and would often cover up for Jeongyeon's shenanigans to her dad.
KIM JENNIE (4B)
The IT girl of the class, wins every popularity contest. Known as the sassy girl from Class 4B, she's Lisa's girlfriend.
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