A mysterious, clever girl named Nanno transfers to different schools, exposing the lies and misdeeds of the students and faculty at every turn.

Nanno is back, doling karmic retribution to more students and faculty — and this time, she’s not alone.

Nanai is a popular boy in school with a bad habit of getting girls pregnant, so Nanno decides to give him a taste of his own medicine.

When an elite girl's school starts accepting boys, Nanno pushes against strict rules that discourage boys and girls from interacting.

Because of her rich and connected father, Minnie never has to face any consequences - until her recklessness gets her classmates killed.

Nanno tries to help a poor student named Yuri get even with the rich classmates who treat her like a servant, but Nanno may have met her match.

A senior student named Kaye takes things too far while having a group of junior students. This time, it's Nanno's turn to try and break his spirit.

At Pantanawittaya, students are expected to strictly follow the rules without question, but Nanno relishes breaking as many as she can.

Popular influencer JennyX's parents pressure her to maintain her image to keep the profits rolling in, but things change when she meets Nanno.

Nanno and Yuri's rivalry comes to a head over the fate of a mother and daughter who may be responsible for a slew of disappearances and deaths.