When there was no distinction between humans and demons, the great demon Jīng wù wandered around and accidentally saved an almost dead little snake. From then on, the big demon took the little demon into his life, becoming both a father, a teacher and a friend, and complex and deep feelings gradually developed.
Year. Powerful, gentle and beautiful attack & cold on the outside and sweet on the inside
Should be able to write three generations
The idea: to recreate a past world and write about a lingering couple.