・Explore the mysterious Blue Hole!
Under the beautiful sea full of numerous fish species and giant creatures whose ecology and topography are changing.
Aren't you curious about marine creatures that you never know when and where they will appear?
Investigate the traces of the legend and uncover the ever-changing secrets of the Blue Hole!
・Run a sushi restaurant in the evening!
Make and sell special sushi with the fresh ingredients you catch!
After word of mouth, a special guest may surprise you.
If you run a sushi restaurant and raise money, you can explore deeper!
・Danger lurks in the deep sea!
Be careful! An unknown creature awaits you in a giant blue hole caused by an anomaly. It's always a good idea to upgrade your equipment so you can defend yourself against the giant creatures.
