Oh no, will they ever make it out alive? Guess you'll have to wait for Sweet Reincarnation Vol 10 to find out now [dramatic cliffhanger monologue voice].
But seriously, are these backstabbers not real sailors? I can't imagine a sailor would set fire to the boat they themselves are sailing on with no escape plan in the middle of the ocean, that's just strait up dumb, especially since the plan seems to be to burn every boat in the fleet?
Also side note, when I was checking to make sure there was a vol 10 out in Japan already, I noticed there seems to be a spin off manga for this series that just came out earlier this year. Sweet Reincarnation ~ Licorice Diary ~ Vol 1 was released a month after Vol 10 came out.