The Legend of the Battle of the Gods

Past life, present life, future, time travel... She is a little butterfly demon who was a goddess in her previous life. She was reincarnated as a butterfly demon in order to keep a secret. He is a charming man dressed in red. He was a flower god in his previous life, and he was reincarnated as a flower demon for his favorite goddess. What will be the story of her encounter with him? What kind of love entanglements will they have?