Enigmatic student Nanno transfers to a school that has recently earned the title of Purest School of the Year, but she soon exposes the ugly truth.

The boys all want to take advantage of Nanno and the girls are jealous and cruel. They try to destroy her, but Nanno always has the upper hand.

Surrounded by so-called geniuses, struggling student Mew feels stupid and invisible in her school until Nanno shows her a shortcut to success.

Even among the filthy-rich kids at his school, Dino stands out -- but he's got a secret. Nanno can help him keep it, but it will cost him.

Hann has a girlfriend, but he becomes a social media sensation at school when he gets mistakenly linked to Nanno, and he really enjoys the attention.

The head of the school soccer team is filled with envy when Nanno becomes her co-manager, and her resentment begins to manifest itself in eerie ways.