Other characters

Seki Sensei
Nishizawa Sensei
Yuki Sensei

Who is she ?
 Name : Nishizawa Sensei

French name : Melle Coco

Description : Miss Nishizawa is Hazuki, Aiko and Onpu's teacher from season 3. She's really young and seems to be a rookie in this job : sometimes she acts as childish as her pupils, which bothers Miss Seki !