Hi! School: Love On

When Shin Wu-hyeon tries to help a classmate, things wrong and he inadvertently gets stuck taking care of an angel who calls herself Lee Seul-bi.

Wu-hyeon transfers to a new school but gets in trouble for being late on his first day after Seul-bi gets her hands on the cuckoo clock.

After Wu-hyeon's grandmother suggests that going to school may help her memory, Seul-bi enrols at Wu-hyeon and Hwang Seong-yeol's school.

Seul-bi attempts to tutor Wu-hyeon for exams, but finds that humans are better at certain things; Wu-hyeon tries to help clear Seong-yeol's name.

Wu-hyeon surprises his grandmother with breakfast; Seul-bi confronts the school bully but is harassed by someone else.

Rumours spread at school; Wu-hyeon and Seul-bi enjoy a day off when his grandmother is away; Seul-bi finds a way to return to her angel life.