Shoya Ishige

In order to protect an ordinary businessman, Tsukasa Atsumi, from demons, a genius kunoichi, Shizuri Ideura, signs a master-servant contract with him on the condition that she stays ...

Old schoolmates Haru and Gaku will do anything to achieve success. And success to them means earning a trillion dollars! But to do so, they’ll need to take full advantage of their own ...