"I'm so happy, but... for some reason I feel like everything around me is a lie." Waking up the day after his graduation, Koyomi Araragi realized that it was as if he had become a nobody. His high school chapter of life was already over, and his college chapter had yet to begin. His life had become terribly uncertain. But what remained unchanged were the oddities. Oddities that will, for once, without exaggeration, change the lives of Koyomi and everyone he knows, exactly the opposite. Welcome to the world of paradoxes!