So I just checked twitter and the author said the girl with the pumpkin hat is Akatsuki. With this, the previous strip that contains her is probably also Akatsuki.
KanColle Manga "Houshou"! (2)TRICK OR TREAT!Oh my, my, my!Just what's going with you all? And such cute outfits!Tr...tri...?What ever do they mean...tritri...oh, partridge? Do they want something with partridge? But tonight's side is fish...What is it? What's wrong?Treat...
Treated mosquito coil...
doesn't sound right...Houshou-san's stumped...