Sumireko stumbles into supernatural incidents the way other people stumble into puddles, except the puddles are cursed and the consequences stick. The chemistry between her and Ren works because she's chasing the story and he's trying to survive it, two people investigating the same mysteries from completely different angles. The show builds real dread through Japanese folklore that doesn't need jump scares to unsettling, just the slow realization that some urban legends exist because something terrible actually happened. Pacing stutters in places, and the fanservice occasionally derails the atmosphere it spent scenes building. It still works because the mysteries themselves are written to reward paying attention, and by the end you understand why Ren looks at Sumireko the way he does.
Sumireko works the register at a dusty bookstore, nursing a half-forgotten dream of writing novels. When whispers of supernatural incidents start circulating through the city, her dormant curiosity reignites. She ropes in Ren, a quiet coworker with his own mysterious past, into chasing down the rumors: disappearances that don't add up, rituals that feel too real, folklore that seems to walk off the page and into reality. There's a problem. Sumireko has an uncanny habit of walking straight into the supernatural events she investigates, as if her presence alone summons them. Ren tags along reluctantly, protective but guarded about his own connection to the strange world they're uncovering. Between urban legends and actual danger, the line between research and survival gets dangerously thin. What starts as a nostalgia-driven hobby becomes something far darker. Each case pulls them deeper into a web of secrets neither expected to find, where the real horror might be what they learn about each other.