I Made a Dragon-Slaying Hero Crew Secret Identity in the Age of Sail

It all began when Motesi, a mermaid from the Continent of Fantasy, ended up in another world after a failed hero-summoning ritual.

Later, someone recommended she try sailing, and she set out to build a ship of her own.

The Hero Character Creation System completed her crew roster, and now she had to go and recruit them one by one.

--She had decided what to name her ship.

The Kill the Demon King Club (crossed out)

Even when the hero was a character she controlled herself, the swordsman would occasionally smack her hard on the head.

In short, this is a self-indulgent story about secret identities, filling out the author's ideas.

Theme: Go see just how big the world is