What is the realm of crows that cover the sun?

In the novel "Covering the Sky", the crow is the second-order realm of Sendai. Road flyover crow is a great sage of the demon race. When Fan Ye was still weak, he helped the crow Taoist many times. Taoist Crow sealed his Taoist fruit and the blood of the demon god in the shrine of the emperor. With the help of Fan Ye, he regained his strength after breaking the seal, and then entered the celestial world with Fan Ye.

Covering the sky and the sun is a fairy novel by Chen Dong, which takes the coffin pulling in Kowloon as the introduction and brings out a huge fantasy world.