Rang Ni Dang Shou Shi Ren, Ni Kaiju Jiepou Liao Qian Nüyou

It started in anatomy class. The corpse on the dissection table... it was my ex-girlfriend. Ever since that day, I've been pulled into a world of incomprehensible horrors. A decommissioned bus that only lets passengers on, never off, on a one-way trip to the bottom of the reservoir. An ancien...

Source: MyAnimeList