Stealing Stars, September Heaven: the Reincarnated Demon King

I lost her in a previous life and my heart aches. Now that I have another chance and met her again, I will never let go. No, I don't want her, I only want Xiaoxue, I only want September. When a soldier king who didn't know about the story of Jiuyue Tian who stole the star came to steal the star, he also found that he had not completely integrated successfully, causing his personality to split. What should he do? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.