Just Be a Villain in the Upstream River

We are little people who live beside a counter-flowing river that never ends, almost without end. In fact, no matter whether you are a villain or a giant, a mortal or an immortal, you can't escape the erosion of the reverse flow of the river. In it, time passes by unknowingly, and wear and tear becomes a daily routine. At first glance, he was a strong young man, but the next time he saw him, he might be a waning old man. Maybe this is the secret of eternal life...