The ocean accounts for about 71% of the earth's surface area. The vast sea area contains many unknown creatures and mysterious areas.
The protagonist of this book leads everyone to those mysterious areas in the ocean.
Have ancient creatures really disappeared? Have alien creatures ever visited Earth? Does Atlantis really exist? Then where did this ancient city sink in the ocean...
The protagonist goes on adventures again and again, unraveling the mysteries one by one.
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.
