Just casually beating a hidden boss. No biggie.
At least Mer-brother is showing competence. I was worried all the way back when he was first introduced that he'd be a useless side character who wears thongs and make MC uncomfortable but no, he's coming into his own. He can actually do things.
Was hoping that Heroine wasn't going to ho it up like Pina in Within the Villainess, but w/e. I still wanna see what Villainess in ths is going to do in the manga version.
Let's see if she is. Right now she believes she's been reincarnated into a love story. Otherwise she's a normal girl as of right now who got transported into a story she's read before as one of the characters. If she goes full ho like One Within, then we can judge. We need to wait and see.
Going back to your comment even though I've done other comments, it's because then they have to shift to romance drama, which includes MUH MISUNDERSTANDINGS, love rivals, the fragility of emotions and relationships, maybe even someone getting injured, etc. Most romance stories have to go...
There used to be adventurers. It's just that they already explored this world. It's mapped out. No real need anymore, unless we find some small island via satellite that wasn't noticed before.
Though we do have the ocean to explore, though....