That Time I Got Reincarnated as a Slime, Vol. 6 (manga) : The Ways of the Monster Nation

Rimuru’s promotional photos are piquing interest in Tempest, and when it comes to camerawork, Framea’s all too happy to help. So when he unveils his vision for a video to show travelers what Tempest is all about, Framea finds herself on a filming frenzy! But after a sinister sea serpent crashes the party, she winds up as bait to fish up the fearsome fiend! Will our hero manage to make it out in one piece...?