toaru kagaku no railgun, toaru kagaku no railgun s, toaru majutsu no index
accelerator (toaru majutsu no index), misaka imouto
fuyukawa motoi
1boy, 6+girls, assault rifle, bone, bullpup, clone, corpse, emblem, fn f2000, greyscale, gun, guro, medium hair, monochrome, multiple girls, ribs, rifle, school emblem, school uniform, siblings, sisters, skeletal arm, skull, summer uniform, sweater vest, tokiwadai school uniform, weapon
highres, non-web source, official art