People are starting to act very odd around Norio. This average boy is suddenly getting a lot of unwanted romantic attention--and he just can't figure out why! A fall down the stairs into the arms of a handsome stranger sets off the beginnings of an explanation, and it is one Norio never could have possibly imagined. Soon a whole new world opens up for Norio, revealing a secret society of special people evolved from animals other than monkeys. This society has a complex structure and its members are ranked by rarity and desirability, and it turns out that Norio is a particularly rare breed and his DNA is in much demand! How will he survive in this modern jungle where he's suddenly the prey?!