Sequel to . Thousands of years ago, the evil emperor Talpa attempted to conquer the Earth. Defeated, he was banished to the Nether Realm and his armor was divided into 9 separate suits. Now, he has returned to conquer Earth, having reclaimed 4 of the suits. The other 5 are in the possesion of those who are the only hope of stopping him: The Ronin Warriors.

Arne Neuntöte is a vampire detective who manipulates supernatural powers. Lynn Reinweiß is a nobleman's daughter who loves vampires. Their worlds should never have crossed, but they join hands to solve a bloody mystery. In the darkest of nights, Lynn finds herself in desperate need of help. Then she wanders into the mysterious city of "Lügenberg," where non-humans live. Lynn's world changes drastically when she encounters "Arne," a vampire who is called "the worst" in the city. And tonight, a new "murder case" has occurred. What is the truth behind the bizarre incidents that take place in a world where humanity and the bizarre intersect? "Come on, human. You may dance merrily under the crimson moon."

The Animal Liberation Alliance, an eco-terrorist organization, rescues a pregnant chimpanzee from an animal testing lab—only for it to give birth to a half-human, half-chimpanzee "humanzee" named Charlie! Fifteen years later, Charlie's human foster parents are finally ready to send him to a normal high school, where he makes his first friend: a human girl named Lucy. In the meantime, however, the ALA's stance has become ever more extreme, and now they're here to drag Charlie into their terrorist plot...

Already at his wit's end, 29-year-old corporate slave Seiichirou Kondou suddenly witnesses the ground opening up and swallowing a woman. Amid his efforts to save her, the two are transported to another world. He soon learns that the people in this world summoned a saint to save their kingdom from a plague. As compensation for dragging Kondou into the mess, the kingdom assures him that they will provide him with a comfortable life and fulfill any of his desires. To everyone's surprise, Kondou asks for a job. After successfully becoming an accountant at the Royal Palace, Kondou devotes himself to his new post. His accurate and thorough work catches the attention of various high-ranking officials and knights, especially Aresh Indolark, the cold-hearted Knight Captain. As Kondou adjusts to his new exhausting and dangerous environment, he begins to find solace in the company of Aresh, whose icy demeanor may be just a facade.