Take care of your own island.
Summer in Mara is a single-player summer adventure, with an easy-RPG system and exploration elements. The spirit of The Legend of Zelda: Wind Waker and the farm from Stardew Valley, with the visual aspect of Studio Ghibli's films.
You're Koa and you'll have to take care of your own island, farming the land and crafting new tools in order to survive. You can also sail away with your boat to new islands, meet unique characters and find sunken treasures. But the ocean called Mara wants you to fulfill your destiny and when it calls you, you'll have to answer.