My High School Classmate Became My Senior

After repeating a year of school, Xu Bai finally got into college as he had hoped. There had been a minor hiccup along the way, but it didn't matter. Getting into college was what counted.

But nobody told him he'd run into a former high school classmate on the very first day of school, and that she'd now be his upperclassman.

"What should I do if the girl I like from my class becomes my upperclassman? Help, urgent!"