Shinichi Kudo is a high-school student who, by using observation and deduction, is good at solving mysteries. While investigating one, he is caught by the criminals that he was watching and forced to take an...

By the time he realized what was going on, Yamagishi Amizuna, a salaryman, was in a strange cave, and in front of his eyes was a giant black tiger...!? When he thought his life ended after being attacked by...