● orca are the strongest predators, let's control orca and catch sharks that are ruining the sea near them. The caught sharks can be fed in the aquarium. If you catch a lot, it will be converted into points.

● You can feed sharks in the aquarium, and if you bite them, you can get points for each rarity and size.
Feed plenty of sharks.

● When you collect points, you can purchase friends of marine mammals. Let's swim in the aquarium together.
You can also purchase a wealth of background images.

● Even if you have trouble catching sharks, you can swipe the food with your finger to feed it.
Food will recover in time.

● Equipped with AR function. You can swim orca in your room.