In the modern world under the Nordic wind and snow, the remnants of the old gods are still stirring in the darkness.
When Wang Shiyu, a student majoring in oceanography, entered the world as an intern, she thought she was just getting a jump in her academic career.
Until someone called her old name from the deep sea - Nidhogg.
When the seal was loosened and her memory awakened, she realized that she was actually the misunderstood and cursed black dragon at the root of the World Tree.
The person who greeted her was Jormungandr, the world snake that was crucified in Ragnarok.
Now, as "Su Yu'an", she controls the world's top deep-sea research institution, just waiting for the dragon that once accompanied her through despair on the bottom of the sea to open its eyes again.
Between divinity and humanity, between destruction and rebirth——
Dragon and snake meet again.
Asa's night watchmen, gravediggers, remnant souls of old gods, and human technological forces are all involved.
Whether the world will slide into dusk again depends on her choice.
This is a story about fate, misunderstanding, redemption and falling in love again.
It is also a story about an old god learning to "get close" again in the modern world.
Purpose: Love and Sacrifice