It tells the story of a love triangle between young high school students. On the first day of school, childhood friends Xiao Xia and Yu Zi fight in the classroom. In the chaos, a prince-like young man Cheng Yi walks against the light from the colorful chalk dust. She fell in love with Cheng Yi at first sight when they first met, and Xiao Xia's journey of chasing men began. Her unconventional pursuit method made her friends sweat, and Yu Zi was even more disapproving. But, Cheng Yi shouldn't just accept this, right?