Junta Shiraishi, a high school student aiming for a vibrant youth, faces a unique challenge—his extreme lack of presence renders him practically invisible to others. Mistaken as absent from class, he becomes the center of a peculiar rumor promising luck to those who spot him. Only Nagisa Kubo, his teasing classmate, seems to acknowledge his existence, albeit in a mischievous manner. Despite Kubo's antics pushing him out of his comfort zone, Shiraishi might find his dull days transforming into something unexpectedly exciting.