Kim Taeyeon is Kim Hyoyeons older brother. Hyoyeon is bestfriends with Jessica Jung Soo-Yeon. Jessica Jung Soo-Yeon has a cousin who goes to Taeyeons school, her name is Tiffany Hwang Miyoung. He is head over heals for her. They arent in the same class they arent in the same club, Tiffany doesnt even knows who he is. When he discovers his brother knows her because his bestfriend is her cousin he decides to ask his help. 

Kim Taeyeon

-18 years old

-Smart kind of a nerd

-Isnt popular

-Has a crush on his junior Tiffany Hwang Miyoung

-Kim Hyoyeons older brother

Kim Hyoyeon

-15 years old

-Funny sportive type

-Is pretty popular

-Has a little crush on his bestfriend Jessica Jung Soo-Yeon

-Kim Taeyeons little brother and Jessica Jung Soo-Yeons bestfriend

Tiffany Hwang Miyoung

-15 years old

-Beautiful cold type

-Is really popular

-Pretty hard to get

-Jessica Jung Soo-Yeons cousin

Jessica Jung Soo-Yeon

-15 years old

-Beautiful cold type

-Is pretty popular

-Pretty hard to get

-Tiffany Hwang Miyoungs cousin and Kim Hyoyeons bestfriend