down right I believe it's from Hyakka_ryoran_samurai_girls yagyuu_gisen.
Airi Queen's BladeKousaka Kirino Ore no Imouto ga Konna ni Kawaii Wake ga NaiMomioka Risa To Love-Ru? Highschool of the DeadSerizawa Fumino Mayoi Neko Overrun!Nogisaka Motoka Yosuga no SoraRyuubi Koihime MusouTeresa Beria Seikon no QwaserSernia Iori Flameheart Ladies versus Butlers!Etou Fujiko Ichiban Ushiro no DaimaouYagyuu Gisen Hyakka Ryouran Samurai Girls