The earth is like a huge Möbius strip. If you take one step from the South Pole, the sphere will turn over under your feet. It is also an extremely cold and dangerous place, but it has become a guest from the north. The same is true in space and time. The old world and this life are separated by a world. If you take a step, you will become the crystal ball that the naughty boy shook for a long time and suddenly buckled down. The whirlpool surged and the world turned upside down. His eyes are like the center of a whirlpool, letting the waves surge. He is an ancient well with no waves, filled with endless darkness and silence. The moment when our eyes met, it seemed like a thousand years...