ABOUT THIS GAME
A vampire and a girl... who are they?The two of them have a secret and solve a strange case...

In a world where paranormal activity takes place,
"Player" solves a case in which a non-human becomes a suspect.
Such a "detective adventure" is coming to STEAM.

Use the clues that appeared in the Problem Edition to solve the mysterious case.
If you like logic puzzles and detective stories, give it a shot!

Use the clues that appeared in the Problem Edition to solve the mysterious case.
If you like logic puzzles and detective stories, give it a shot!

The game is divided into "Problem" and "Solve" episodes. In Japan,
the "Solve" episode was preceded by a massive "Guess Who" session, in which over 1,000 people participated.
Solving the mystery with "special rules" involving zombies, vampires, and other monsters has been highly praised by experts in authentic mystery.

Also, the cute looking characters and the fantasy elements surrounding the vampires are very popular!
This is an authentic mystery-solving game that can be enjoyed by both children and adults.
STORY
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 Case Book of Arne screenshots