I encourage any chinese boy should have a japanese girlfriend, such that Japanese can no longer have enough reproduction forces, time be time, their population will decrease,,, and finally... not more japanese.
i never say help them produce, i just said we should take over all the japanese female. even the japanese girls have babes, they are called chinese, NOT japanese.
meanwhile if we simply kill all of them, we will be critized by the international society, or even a world war between china and all the other countries due to our brutal killing japanese.