There is a way forward and there isn't. . .

First way

배진영

Bae Jin-young! I like Yeo-ju from Class 3, Grade 1 at Warner High School.

강여주

Kang Yeo-ju! I like Jin-young, a student in class 3, grade 1 at Warner High School.

강다니엘

Kang Daniel! The older brother of the female lead of class 8, year 2 at Warner High School.

이대휘

Lee Dae-hwi! Jin-yeong's best friend! He secretly likes Yeo-ju, but he doesn't express it to anyone because Jin-yeong annoys him.