・Explore the mysterious Blue Hole!

An enchanting sea full of all kinds of giant creatures and fish species. Aren’t you curious about marine creatures that you never know when and where they will appear? Collect fresh ingredients while avoiding the threat of menacing creatures. Wonderous marine ecosystems and mysterious ancient artifacts. A sea full of mysteries and puzzles.

・A sushi restaurant only open at night.

Use the fresh ingredients you caught to make and sell special sushi!!If word gets around, a special customer may pay a surprise visit.
If you run a sushi restaurant and raise money, you can explore deeper!

・Danger lurks in the deep sea!

Beware! The strange Blue Hole caused by an strange phenomenon harbors an unknown creature that awaits you. Always make sure your gear is well strengthened. It will be essential to defending yourself against giant creatures.