My boyfriend of 10 years

Character introduction

전정국

Jeon Jungkook/17 years old/Kim Yeo-joo and his best friend of 10 years, since they were 7 years old/Having had a crush on her for 4 years

전정국

"Kim Yeo-ju. Are you pretending not to know, or are you really not?"

김여주

Kim Yeo-ju/17 years old/10-year friend of Jeon Jung-kook since he was 7/Not paying attention to others' feelings/Liked Min Yoongi without knowing that Jeon Jung-kook liked her

김여주

“Didn’t I tell you that I like Yoongi oppa…?”

민윤기

Min Yoongi/20 years old/Kim Seokjin's younger brother/Have a crush on Yeoju

민윤기

"Hyung~ Please connect me with the female lead~"

최유정

Choi Yu-jeong / 17 years old / My best friend who has been with me for 17 years since our mothers were close before I was born / She is very perceptive and good at drinking cider

최유정

"Oh my, Jeon Jungkook, if you're going to do that, just confess!!"

김석진

Kim Seok-jin/21 years old/Yeo-ju's eldest brother/Min Yoon-gi asks him to be with Yeo-ju, but he refuses, saying it would be a waste for Yeo-ju.

김석진

"I can't do that because I feel sorry for our heroine!"

김남준

Kim Nam-joon/19 years old/Yeo-ju's second older brother/I feel sorry for Jeong-guk, who obviously likes Yeo-ju, and Yeo-ju, who doesn't know it.

김남준

"Jungkook also... has a hard life..."

김태형

Kim Tae-hyung / 18 years old / Yeo-ju's third older brother / Yeo-ju and he bicker every day, but he likes Yeo-ju more than anyone else

김태형

"Kim Yeo-ju!! Did you eat the ice cream in the fridge?!"

Our story is like a rainbow,

It starts now.