I think Eunhaeil is already dead, when he save the boy from the ocean. Since he did a good deed, the Goddes which he call, grant his wish to give him a chance to patch up things with Pado whom he hurt so bad. He doesnt want to die yet when Pado is still angry at him. And so He live but he can turn into water, in any moment(beacuse he originally die in ocean). Once Pado decided to forgive hime he will turn into water, just like the cover picture. You can see how Pado is crying while Eunhaeil is slowly turning into water. (〜 ̄△ ̄)〜
I agree with your theory OP!! I also think the spirit woman or whatever is Pado’s birth mom cuz they have the same hair and lips! So perhaps there will still be a happy ending somehow with both alive… (I’m delusional)
Orrrr Eunhaeil body is restoring to it's solid form after fixing a misunderstanding with Pado, hence why he has a water hand un the cover monmon
Also the goddes looks looks like Pados mothe who drown in the ocean. She also says that when death comes there is a rebirt. Could it be, that Pados mother will restore Haeils life?
I think Eunhaeil is already dead, when he save the boy from the ocean. Since he did a good deed, the Goddes which he call, grant his wish to give him a chance to patch up things with Pado whom he hurt so bad. He doesnt want to die yet when Pado is still angry at him. And so He live but he can turn into water, in any moment(beacuse he originally die in ocean). Once Pado decided to forgive hime he will turn into water, just like the cover picture. You can see how Pado is crying while Eunhaeil is slowly turning into water. (〜 ̄△ ̄)〜