A girl that moved from Tokyo to the countryside before the series starts. She had her name changed from Kumura then. She is the best friend of Chikako Sakae. Besides bullying her move away from Tokyo was also due to familial problems with her mother. Shino does not want to see her mother anymore and now lives with her aunt from who she also took the family name. Shino lead a quiet live in her new school until the arrival of Mai. Now Shinos goal is to take revenge on Mai.