Guangtao Jiang

It is a world within our world, yet unseen by any human, and the beings here control time and tide and the changing of the seasons. On the day Chun turns sixteen, she is transformed into a dolphin to explore the human world. She is rescued from a vortex by a human boy at the cost of his own life. Chun is so moved by the boy's kindness and courage that she decides to give him life again. (imdb)

Scissor Seven is a Chinese animated series. It was released under the name Scissor Seven on Netflix.

Banished to the mortal realm to exorcise ghosts, a deity must reckon with a demon and soon uncovers a dark secret behind the heavenly gods. (imdb)