A ghost girl trying to remember how she died, a boy who can see her, and the slow realization that he's falling in love with someone already gone. The horror here is just window dressing for the real story: two people trapped in impossible circumstances, one of them already dead, and the show asking what love costs when time is running out. Animation that's genuinely beautiful doesn't save the tonal whiplash when comedy undercuts genuine dread, but when this show lands an emotional moment, it breaks you the way Angel Beats does, except you never see the sucker punch coming.
Teiichi stumbles into the school's old building and comes face to face with Yuuko, a ghost who's been trapped there for six decades with no memory of her death. She's desperate, almost feral in her need to remember, and he's the only person who can actually see her. Against his better judgment, he becomes the unwilling anchor to her fractured existence. Together they join the paranormal investigation club, where Yuuko uses the cover of "research" to chase fragments of her past while Teiichi watches her slowly unravel. The other club members remain oblivious to her presence, creating a constant tension between what's real and what's hidden. As they dig deeper into the academy's history, a darker picture emerges: Yuuko's death wasn't an accident, and something about the school itself seems invested in keeping her forgotten. What starts as a mystery becomes increasingly personal and unsettling. The line between supernatural horror and genuine emotional devastation blurs as Teiichi realizes that solving this mystery might mean losing her forever.