Dark River Derivative [Su Changhe Version]

In the polar hell, light can be seen; the clouds and mists have dispersed, and the bright moon can be seen; the rivers are clear and the sea is flowing, the times are harmonious and the years are prosperous. It starts with "The Legend of the Underworld" and ends with "The Legend of the Underworld". This book mainly talks about Su Changhe's emotional line, with some personal details.