1boy, 1girl, aiming, bolt action, business suit, calling, cellphone, choker, english text, feathered wings, formal, greyscale, gun, hair between eyes, halo, holding, holding gun, holding phone, holding weapon, long hair, long sleeves, looking at another, mole, mole under eye, monochrome, phone, rifle, school uniform, serafuku, sidelocks, sketch, smartphone, suit, weapon, wings