Which characters is the cast of Youkai Shoujo - Monsuga cosplaying as in the chapter 31 color cover? Below is the color cover for chapter 31 of Youkai Shoujo - Monsuga.



The characters here are very clearly cosplaying as characters from other works; which characters are they cosplaying as?
Unfortunately, I do not recognize the child in what appears to be a kiwi costume, but here's a list of all the other characters.

From front to back (closest to farthest):




Mutsu from Kantai Collection




Tomoe Mami from Puella Magi Madoka Magica




Yazawa Nico from Love Live!




Makise Kurisu from Steins;Gate




Kasugano Sakura from Street Fighter




Unknown kiwi child...




A Terraformar from Terra Formars




Ada Wong from Resident Evil




Azrael from BlazBlue



On screen in the background:
Kappa as him-/herself.