On this day, between the azure sky and the sea, a G3-class pirate group was sailing across the waters, with a slight mist hanging over the sea, reducing visibility.

However, with calm seas and a recent successful raid, everyone was in high spirits.

Suddenly, the bottoms of seventeen warships of various sizes shook violently, and all the vessels began to sink rapidly.

"Captain, it seems our ship has been hit by something! The bottom is leaking badly and we're sinking fast!"