Conquer the humanity my ass Manjuu doesn't waterproof, fire resistance or bulletproof They would even die when the temperature drop to below 20 degree If a thousand dosuyukkuri invade a state, it won't take more than a month to take down every last one of them(not even need the military joined )
With baseless confidence, they will have stronger sense of unity and planned to put human under their rulershipAnd lastly, because with the existence of a Dosu, the number of yukkuri who grow big headed and want to cause hard to human would increase