Twenty Thousand Lanes

An introverted nobody gets isekaied out of nowhere. Given the free choice of how his reincarnation goes.

He decides to spend his reincarnation wisely and picks the fictional submarine on par with some of the features of modern submarines, and chooses to go into the world of Azur Lane.

After being found, he soon gets recruited by Azur Lane. But as a submarine not really meant for combat, how will he live his life on base?

This is essentially a slice of life of Azur Lane with a male protagonist that has ALOT of personalities that affect his everyday actions.

After suddenly remember a book A/N read in early middle school and neglecting his other work. A/N decides to imagine: "What if the Nautilus from Twenty Thousand Leagues Under the Sea was in Azur Lane?" and makes it into an Azur Lane fanfiction.