In the No. 1 Middle School in Yuecheng City, where there are only Alpha and Beta, Anyang, a top student as a Beta, differentiated into an Omega in front of Wei An, a school bully who was an Alpha, in his sophomore year of high school.
Because Anyang promised his head teacher, Lao Zhang, to tutor Wei An before the split, Wei An helped Anyang keep secrets on the condition of tutoring.
Purpose: Campus Story