Himitsume Hikaru, an independent high school student, has a special gift—he can see and communicate with the dead. As he lives a seemingly ordinary life, he spends his spare time wandering around the city of Tokyo, using his ability to aid them. Niwa Yuuka, a childhood friend who passed away due to illness, returns to him from the afterlife. Together, as clairvoyant and ghost, they work alongside each other as they uncover the mysteries surrounding their deaths. Will they be able to help these ghosts find peace?