When Yiyou was collecting medicine, he saved a very strange man. Afterwards, he was chased by others. After being injured, a memory was brought back... Yiyou also knew his true identity, and then... He began the process of searching for the truth... (No spoilers! Want to know what happened after the funeral? Please read below)
Mission: Prosperity, democracy, civilization, harmony, freedom, equality, justice, rule of law, patriotism, dedication, integrity, and friendliness.