Wadanohara and the Great Blue Sea

Wadanohara and the Great Blue Sea is a pseudo-RPG with a heavy story focus, made by Deep-Sea Prisoner in RPG Maker 2000. A clear blue sea under a beautiful blue sky. After a long departure, the sea witch Wadanohara travels back home with her familiars. But her ex-familiar, the shark Samekichi, appears to block her way: "You shouldn't be here... Leave this sea, right now."