Is seiyuu an ethical and moral categorization?

Yes. Chinese traditional ethics and morals have a long history, a long history, a large number of entries, the content is rich and complex. The basic content of traditional Chinese ethical and moral culture is mainly expressed through moral norms, and its ten traditional virtues are benevolence, filial piety and fraternal duty, modesty and good manners, honesty and knowledge of reward, loyalty and patriotism, self-restraint and devotion to public service, self-cultivation and prudence, thinking of righteousness in the light of profit, diligence, thrift and honesty, truthfulness, generosity, courage and perseverance, and other traditional virtues. These virtues in the development of Chinese society played a very important role, but in the late stage became a tool to clamp down on people's thinking.