Shinryaku! Ika Musume - Vol. 6 Ch. 100 - Won't You Have a Test of Courage?

[MangaDex]

 

[Glomoro]

What has been going on in that tunnel over the years? Seems like a lot of dead folks.

 

[Whinter]

I'm honestly surprised the idiot trio didn't just obliterate the ghost with a ray gun.

 

[BakedBanana]

Idiot blondee does seem like someone who would get haunted by ghost like in the movies. (Page 8)