If you still want to scare people, Kogasa, I think the grand piano would be a superior choice to a thwomp.

i think this has more to do with that tofu on a string scare trick

Konnyaku, actually.

I think she's being a nurikabe instead of her usual karakasa

Suiseiseki said:
I think she's being a nurikabe instead of her usual karakasa

Pixiv agrees. There's a nurikabe tag on it.

Brisk said:
If you still want to scare people, Kogasa, I think the grand piano would be a superior choice to a thwomp.

And here I thought I had finally overcome my fear of Big Boo's Haunt, but NOOOO! Curse you Danbooru for making me relive that goddamn Piano!

CUUUUUURRRRRRRSSSSSSEEEEE YOOOOOOOOOOOUUUUUUU!!!!!!!!1!