Sister and Giant: A Young Lady Is Reborn in Another World - Vol. 2 Ch. 6

[Lowtier4life]

What're the other two, out of curiosity?

So I'm a spider so what?

Roll over and Die (the novels specifically as the manga has cut and altered alot of content, also I keep forgetting it's NOT an isekai despite having a lot of the usual tropes)

 

[Simpleton]

People are blaming him, but he denied being an otherworlder; if he caved it was off-screen.
Carla warning him within earshot of the cat woman was sadly a big factor.

Given the way this manga moves, that "warning that failed" might well have been intentional.

She even made sure to mention his exact skill while they were near, so they would know exactly what they had to deal with.