Mika is a optimistic, young 23 year old man with a skinny build. He has mid-length tousled black hair which resembles the feathers of a crow. His eyes have heterochromia iridium; his right eye is a light golden color, while his left is aqua. He has a strong kansai dialect, and loves candy. He works as a detective to investigate the zombie apocalypse, but along the way he meets a scientist man named Shu Itsuki, whom he is deeply in love with, and tends to be shy and dim-witted around him.