Ren Takashi, a quiet 17-year-old, starts hearing the voice of Yui Hanabira—a girl who died a year ago. Though she appears real to him, no one else can see or hear her. Yui doesn’t remember how she died or why she’s still here. As Ren and Yui spend more time together, they form a deep bond, and Ren slowly falls in love with her. While searching for answers, Ren uncovers secrets about Yui’s past and the tragedy that binds her spirit to the school. But with every memory Yui regains, she begins to f