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

Chicha Amatayakulas Nanno
Nutchapan Paramacharenrojas Nueng
Poompat Iam-samangas Hok
Chonnikan Netjuias Mew
Awat Ratanapinthaas Koh
Claudia Chakrabandhu Na Ayudyaas Aum
Piyathida Mittirarochas Satreevijityatra School Headmistress
Ekawat Niratvorapanyaas TK
Kunchanuj Kengkarnkaas Thap
Ploynarin Sornarinas Junko
Kongdej Jaturanrasmee
Aticha Tanthanawigrai