Pure Harem - Paranormalia -prologue- By Cyansun -

"Three days," Yuki confirmed.

The shadows in the hallway stepped forward.

"Hello?" he called out, his voice cracking in a way he'd hoped was behind him.

Until the letter arrived.

It had worked for seventeen years.

The envelope was back on his kitchen table.

He lived in a perfectly normal apartment, in a perfectly normal city, attending a perfectly normal high school. The only anomaly in his life was his late grandmother, who had filled his childhood with stories of yokai , ayakashi , and "invisible threads" that bound the world together. He’d loved those stories as a child. As a teenager, he’d filed them under "quaint delusions." Pure Harem - Paranormalia -Prologue- By Cyansun

"You're late," she said, her voice a dry whisper. "The first key has turned. The second will rattle. And the third…" She tilted her head, a disturbingly bird-like motion. "The third will break something."

It was a Tuesday. Rain streaked the window of his cramped kitchen as he wrestled with a bag of instant ramen. The mail slot clacked. A single envelope lay on the tatami mat, thick, cream-colored paper that seemed to absorb the dim light rather than reflect it.

Kaito Mori had a simple philosophy: avoid the strange, ignore the weird, and never, ever make eye contact with the girl who talked to the vending machine. "Three days," Yuki confirmed

Behind her, in the hallway, two more shadows began to take shape.

He swallowed. "Fine. But someone's going to explain what a 'covenant' is, and why my dead grandmother didn't mention any of this before she left me her creepy old mansion."

He folded the letter, stuffed it back into the envelope, and dropped it into the trash. He finished making his ramen, ate it while watching a mindless game show, and went to bed. Until the letter arrived