Name: Aika Tanaki
Gender: female
Yandere or senpai: yandere
Age: 17
Appearance:

Personality: sweet(but only to senpai), secretive, sadistic, short tempered, emotional
Backstory: Aika had always been a troubled child, being bullied at school and then come home to her abusive mother. She had been in a pit of loneliness and sadness...until she met senpai. She became obsessed with senpai, stalking him/her and prepared to destroy anyone who came near senpai.