- When terrifying horror trials descend upon Earth, every nation stakes its fate on a chosen champion. After nine straight defeats, the S-level ghost "A Hundred Strange Nights" is about to bring down the capital. The last hope is An Gu, an innately fearless psychiatric patient. Mistaking an S-Rank haunted realm for a dating show, he casually flirts with ghosts, defeats monsters in the most ridiculous ways imaginable, and turns terrifying ghosts into his loyal followers. What should have been humanity's greatest nightmare becomes the strangest harem ever.