Osana is constantly bullied by her classmate Ayano because of her crush on Taro Yamada, and after a hostile confrontation between the two Ayano ends up losing all her memories! Confused and alone, Ayano relies on Osana to guide her through her daily life. Will Osana reenact her revenge ? ! Or will something unexpected come out of this... I do not own Yandere Simulator, Yandere dev does! And ofcourse this is GL, enjoy !