Who knew about the love pact novel about the Rainbow Spirit Stone?

"The Promise of Love" was a romantic and pure love novel. It was about a misunderstanding between the male protagonist and the female protagonist. When they reunited five years later, the female protagonist already had a baby. The story of the male protagonist working hard to get to know the female protagonist and the child again. This book was called "Promise of Love". It could be recommended as a love promise novel for the Rainbow Spirit Stone. I hope you like this fairy's recommendation. Muah ~😗