I Hold a Clear Mirror to Peer into the Heart of Heaven

Do you believe in the existence of parallel worlds? If, one day, you really enter a parallel world, will you find any flaws? An unsigned letter drew Yin Yuzhuo into a mysterious whirlpool. Until he got a glimpse of the truth about the world and discovered the tip of the iceberg... Warning: no cp, group portrait, fictitious, all settings are set by the author.