yuli: adult. Acquired vampire. and sickness of despair. mud-fog monster(blob like)
He is a melancholic gentleman. He dislikes it though he kills the person by hungry. He will take the marginal diet, and spend a lot of time sleeping.


shiro: child. werewolf seed, sickness of hope, and light-fog monster(Will o' the wisp like)
He is a child who was born from light. He is very innocent. He grows up with people's hope. And, he will gladly kill eating it at the end.