I don't know if this helps but this sounds like a combination of "Duchess of the Glass House" for the baby boy and undine, and "Into the Light, Once Again" for the white hair blue eyes, but also has an undine somewhere in the story, but not hers. Sorry if neither works ;-;
Thank you very muchhhh...I was searching for " Duchess of the glass house "......thanks.....I almost forgot the story....that's why I mixed up those two manhwa.....but thank you very much
I totally get it, there are so many that have come out and when there is any overlap, our minds tend to start to group them together over time. I am glad I could help :3
I only remember that the female lead is a empress and she also has a baby boy.....she also awakened as a water spirit holder named undine...as far as I remember......please help me find this one....the female lead has white hair....and blue eyes