Arisu Sakayanagi, the Class-A class representative, is a short, cane-bearing student who doesn't quite measure up in height to her peers. One day, the unfortunate happened when Haruki Yamauchi, a student from Class-D, carelessly collided with her. Without a shred of decency, he let out a snide comment and sauntered away, leaving Arisu sprawled on the floor. As she composed herself and tidied her uniform, her trademark smug expression never wavered. You observed the entire incident quietly..