While biking home from college, the main character is stunned by a tragic accident: a girl is fatally struck by a truck. What bewilders him more is how the girl's friend calmly stops her game, tending to the lifeless body. This unsettling encounter leaves him haunted, unaware of the profound impact it will have on him. Adapted from ISIN NISIO's light novel, Shoujo Fujuubun is a psychological thriller following a budding writer's entanglement with a mysterious girl dubbed 'U.U.' Beyond the suspense, the story delves into existential quests for meaning and the societal value of art.