Please help me find this game

I performed this sport round 2013 to 2016. It had an artwork fashion much like 'Cats and Soup.' In it, there was a stone in the midst of the ocean that generated some type of forex you used to purchase marine animals to your ocean, buy decorations, or improve the forex technology

I believe it had a whale within the emblem, or the grasp animal you possibly can purchase was a whale. It had a calming, considerably ASMR-like soundtrack. You needed to go away the sport to attend for the stone to generate forex or purchase it

I made a tough sketch of how I bear in mind it appeared, nevertheless it was very darkish and glossy on the identical time. Please assist me discover it!