It is the human heart that releases boundless light, and it is also the human heart that creates boundless darkness. Light and darkness intertwine and clash, and this is the world we cherish yet find ourselves helpless in." 　　A sly and charming forensic scientist who is quick to anger, initially reserved and ascetic, but later becomes both nurturing and fierce, serving as a detective captain. Investigating cases, reading minds, and probing emotions.