Shadow Decoder

Behind the masks full of desire in the city, it turns out that there is an unknown shadow world hidden, which is composed of masks wrapping kindness, sincerity, hatred, and hypocrisy. But the existence of this world is unknown to the world. This story begins with an accident of a philosophy teacher, completely uncovering and decoding this hidden world, as well as a series of mysterious cases that resulted. The protagonist also broke his ordinary life and became the object of competition among various forces.