doubutsu: this ability gives holders the ability to have a half transformation into a beast the form is set through the holders choice and how close to their personality is to that of the animal they chose they gain this ability once their chakra levels reach that of a chunin, when this happens they have a dream of a field of animals and they have 4 minutes to find the animal they want or their abillities wil remain locked forever.
advanced version
yajuu:this is activated as an emergancy and is to be saved until an order from the leader of the village of the holder of the kedamono seal it will force all clan members into an enraged state with even more bestiality and if a person chose the wrong animal the animal will be changed unvoluntarily to the animal that they match the personality of however they will only be capable of harming oponents written upon the scroll