I'm not sure if this is Anchovy cosplaying as Darjeeling or the other way around, so I have marked it with the character request tag. Please feel free to correct as you see fit.

ToastedWaffles said:

I'm not sure if this is Anchovy cosplaying as Darjeeling or the other way around, so I have marked it with the character request tag. Please feel free to correct as you see fit.

This looks like elder sister of a Girls und Panzer Little Army 2 character. Her name is Kilimanjaro,and as you can see, she's a member of the Darjeeling fan club. Heck, she's set her team to ape St Gloriana's equipment and deployment style.

Jarlath said:

This looks like elder sister of a Girls und Panzer Little Army 2 character. Her name is Kilimanjaro,and as you can see, she's a member of the Darjeeling fan club. Heck, she's set her team to ape St Gloriana's equipment and deployment style.

And wants to have a match against her.

Kapten-N said:

And wants to have a match against her.

Chapter 5 suggests that she's moving past her obsession, which is promising. Emi fixes people by beating them Nanoha-style.