Shuuichi Inaba attends a prestigious high school for young geniuses and is an avid user of the popular app 'Alice in Cyberland.' The app boasts an AI that allows users to converse with it as they would with a real person. However, when some of Shuuichi's classmates become victims of an enigmatic assailant, he resolves to uncover the culprit's identity. As he delves deeper into his investigation, Shuuichi discovers 'Alice' - a unique program that, in exchange for its assistance, asks for nothing but his most closely guarded secret.
