When a chance encounter reveals that the enigmatic v-tuber he adores is actually his sister Yuki, highschool student Kenji's world is turned upside down. Caught between the allure of the virtual realm and the societal taboo of their bond, they face a daunting challenge. With their identities concealed by digital avatars, they embark on a high-stakes game of deception, navigating through a labyrinth of emotions and secrets. Can they find a way to break free from the code that binds them and uncover a path to love?