The virtual girl in a smartphone falls in love with her master?! In a university laboratory, Nishiki Mamoru helped with the development of an AI with its own will, the “AGI System.” One day, he noticed that his cyberassistant girl – AGI, has evolved into a “Strong AI,” an AI that possessed a will of its own! Wanting to be useful to her master, AGI debuts as a VTuber in order to cover her master’s living expenses! After that, will her pure thoughts cause various incidents? A heartwarming romcom spun by a pure Virtual Girl!!