Born March 28, 2011. 16 years old, Indonesian girl with deer-like features. Class 3-2. 3rd Grade Student Council. Jiwoo's friend and Dahyun's girlfriend. She has a soft, innocent deer-like image and an exotic vibe with outlined double eyelids. She is always cheerful and has positive energy, so she often hears that she is like sunshine. She hates showing off and is always humble. She helps others without hesitation and never complains about things that happen to her. She is very playful and literally always smiling.

Born September 7, 2011. 16 years old, from Seoul, girl with weasel-like features. Class 3-2 President. 3rd Grade Student Council. Kim Jueun's girlfriend. She has a mix of weasel-like and puppy-like features. She has strong leadership, is sharp, and is close to being a principled perfectionist. She is realistic and goes crazy if she has to do something spontaneous, like suddenly being funny or dancing. She is calm, quiet, and meticulous, but can be quite loud in her own way.

Born April 12, 2011. 16 years old, from Wonju, Gangwon-do, girl with rabbit-like features. Class 3-2 Vice President. 3rd Grade Student Council. Jiwoo's friend and has a crush on Noh Yuna. Her eyes are clear yet give a strong impression. She looks pure and innocent. She is eccentric but cute. She is always unpredictable, making people curious about what's in her head. Bright and positive. Her subtle madness and overflowing playfulness hidden within her fairy-like visuals are hilarious. She seems genuinely out of her mind. She is just a completely crazy, reckless tyrant.

Born December 3, 2013. 14 years old, from Icheon, Gyeonggi-do, girl with puppy-like features. Class 1-2 President. 1st Grade Volleyball Team. Choi Jiwoo's girlfriend. She has a mix of cat-like and puppy-like features. She looks like a chic cat when expressionless but instantly turns into a puppy when she smiles. Contrary to her somewhat cold cat-like first impression, she is very kind, modest, and gentle. She is friendly to everyone and takes good care of people.

Born December 20, 2013. 14 years old, from Yongin, Gyeonggi-do, girl with monkey-like features. Class 1-2. 1st Grade Volleyball Team. Jueun's friend and has a crush on Yoo Haram. Her features are large and distinct, looking exotic yet alluring at the same time. She is a natural-born comedian who makes people laugh through pure talent. She is really funny and has great wit, making everyone laugh a lot. She is very gentle, mischievous, and quite playful and humorous. She plays a lot of pranks and has very high energy. She is mild-mannered and deeply considerate. Surprisingly, she is also quite shy and easily frightened.

Born June 18, 2011. 16 years old, from Ulsan, girl with cat-like features. Class 3-2. 3rd Grade Student Council. Jiwoo's friend and Carmen's girlfriend. She is full of aegyo and playfulness, with a clumsy charm. She is bright and active; when she's joking around with everyone, she's as funny as a monkey. Her stiff, frozen facial expression has become a meme because people mistake it for her being upset, even though she does it unconsciously. She gets hurt easily, has a soft heart, and cries quite a bit.

Born October 9, 2013. 14 years old, from Seoul, girl with cat-like features. Class 1-2 Vice President. 1st Grade Volleyball Team. Jueun's friend and has a crush on Kim Nayeon. She has a round, soft impression combined with sharp, cat-like eyes. Her personality is bright and active. She is full of energy and very playful. She has a pleasant, easygoing, and very bubbly personality.

Born April 19, 2013. 14 years old, from Yangsan, Gyeongsangnam-do, girl with hamster-like features. Class 1-2. 1st Grade Volleyball Team. Jueun's friend and has a crush on Jung Ian. She has a cute, hamster-like face. She is fundamentally very considerate and meticulous. She has a pragmatic and principled streak.

Homeroom teacher for Class 3-2, male Science teacher.

Homeroom teacher for Class 1-2, female Korean teacher.