Despondent over the death of his best friend, Takeru wishes on a shooting star to meet Takuya one last time. A glimmer of light leads him to an ancient tree stump with a giant hole in it; a hole that impossi...

16-year-old Nanakusa is spending his mundane life on "Stairway Island" where he found himself "discarded" along with 2000 other people, all missing the memories of the time just before they arrived there. Th...