 If you liked
Waga Na wa Umishi
|
 ...then you might like
Leviathan
|
Large portion of the story is set on sea, diving is a common theme.
MC is a young guy who has charisma and can make great decisions, but the world does not always revolve around him.
<> Waga Na wa Umishi: Action, Drama more towards SOL (but not compared to true SOL); Leviathan: Horror & Survival