Sailor of Night

When a start out sailor who loves the late night and the sea loses everyone at sea, it's time to be the soldier to accept their past and face the yet to come. Their name is Jax, and since they were a child, they loved spending the evening on a warm sandy beach. It inspired them, and they became a sailor. But when they have their first mission, they wake up to find the boat empty. It's down to Jax to accept their past to save all of those who disappeared.

(This is my first book, so I don't have much experience)