Is there anyone wants to help me??? i need help juseyo...

I had an idea to write a fantasy fanfic recently but i dont know how to start the plot...and yes! Donghae is the main character here!

I already had an idea what my story will be and what will be going on in the story, but i cant explain it... its too complicated

i just want to provide my lovely reader a good story and i think this will be the great one.

hell!!

i dont even know which chararcter im going to used!? and which suits who!!🙀

do you think i should give up??!

pls help me juseyo🙏