Blue Ocean in the Eyes - Vol. 2 Ch. 5

[MangaDex]

 

[Hicleric]

Ooh, the tension is ramping up. Good stuff. The ice(?) critter reminded me a bit of the last bosses in the game Zephon

 

[WonderingSFaiz]

Fascinating, they still have warships

 

[misopogon]

Submarine meets its natural predator

 

[IvanDFakkov]

Suddenly SCP. Or an Azur Lane boss.

 

[Cybir]

That Riederstein and the higher ups really are their own worst enemy. Of course, we already knew what was going to happen, but it's still surprising to see how fully believed the fog was solely their accomplishment...

Besides the fact that 95% of their problems, at sea, are self-inflicted, they're far too accustomed to peace...