Demon Slayer: Am I Actually the Strongest Water Breather?

Shenshan Moyuan should have lived out an ordinary, unremarkable life. Instead, fate pushed him down the thorny path of demon slaying. Only when he finally finds himself does he realize: I was born with transparent markings! Well, what are we waiting for? Muzan! Come out and enjoy the sunshine! (A story of growth, one female lead, happy ending. New author, new book. Welcome!)