Oldman

In the early 17th-century, the childless Empress adopted an orphan, to show the people that a commoner can take the throne. But many years later, when the Empress should've been old and feeble, she still appeared youthful and strong. What is the secret of the ageless Empress...? (Source: Tongli, translated) *Notes: \- Winner of the 2nd Golden Comic Award for Best Shounen Comic \- Honorable Mention in the 6th Japan International Manga Award*