Yukiteru Amano, a timid middle schooler, meticulously records his daily life on his cellphone—a digital diary. Despite his solitude, he converses with his so-called imaginary friends Deus Ex Machina, the god of time and space, and Deus' aide, Mur Mur. One fateful day, Yukiteru awakens to find his phone predicting future events. Initially chalking it up to chance, he soon realizes the uncanny accuracy of these premonitions. Upon discovering that his classmate Yuno Gasai also possesses a similar diary, they join forces when faced with a peculiar adversary. Their alliance leads them to a startling revelation by Deus Ex Machina: they are embroiled in a survival game alongside 10 other contenders, vying for the position of god's successor. With no escape from this deadly contest, Yukiteru and Yuno must rely on their newly dubbed