Most humans use only a small percentage of their brainpower, but a certain group of people called "dokeshi" can use a greater percent of their brain to unleash special powers, given one condition...For dokeshi Shotaro, that condition is doing one good deed a day. In exchange, he has the ability to use the powers of any animal by biting its bones. When Mana meets Shotaro on her travels, she expects nothing but trouble from the childish, ignorant boy-until...