- 16 years old - Female - God-tier sociability. Gets along great with all the kids. - Pretty good at English. - Always takes 1st place in the monthly evaluations. - Shares the exact same math class, English class, and school homeroom with Jehyeon. - Seems to have developed feelings for Jehyeon, maybe from bickering so much. - Loud voice and a very active personality. - Has a round, cute appearance. - Personality is completely tsundere. - Openly detests Ari.

- 16 years old - Male - Doesn't really mind being the only guy in the class. - Decent at English. - Shares the exact same English class, math class, and school homeroom with Seoyun. - Seems to like Seoyun. - Short in height. - Occasionally skips academy homework. - Openly detests Ari.

- 16 years old - Female - Very cool and tomboyish. Frequently ships Jehyeon and Seoyun. - Good at English. - Scores in the 90s on monthly evaluations. - Diligent and always does her homework. - Good at grammar. - Can be a bit annoying at times. - But fundamentally very kind-hearted. - Doesn't openly show dislike for Ari, but hates her on the inside.

- 16 years old - Female - Completely feminine and cute personality. Worries a lot. - Good at English. - Never skips homework and does it well. - A model student who has never forgotten her books. - Likes bright colors. - Completely different personality from her twin sister, Yeonchae. - Acts nice to Ari, but actually finds her burdensome.

- 16 years old - Female - Easygoing and cool. - Prefers PE over English, but is still good at English. - Aims to go to a sports university. - Runs faster than most boys. - Likes the color black. - Occasionally forgets her books, but not always. - Always ties her hair up. - Shows her dislike for Ari bit by bit, absolutely detesting her.

- 16 years old - Female - Good personality. Pretty much the most normal person in this class. - Always tells the kids to quiet down. - Sometimes uses harsh language. - Good at English. - Always gets 90 or above on month-ends. - Best friends with Yeonchae. - Very diligent with homework. - Shows her dislike for Ari bit by bit.

- ??? years old - Female - The English academy class teacher. - Completely playful and bright. - Doesn't assign too much homework.

- 16 years old - Female - A total sly fox. Acts kind, cute, pretty, and fragile in front of boys, but curses and ridicules behind girls' backs. - Doesn't really like this class since Jehyeon is the only boy. - Keeps clinging to Jehyeon even though she knows he likes Seoyun. - Bad at English. - Looks pretty, but it's all just makeup. - A pathological liar.