1boy, 1girl, atlas_academy_school_uniform, bad_pixiv_id, breasts, buttons, chain, chained, chained_wrists, comic, fate/grand_order, fate_(series), glasses, greyscale, hair_between_eyes, hirunagi, long_hair, long_sleeves, lying, mask, masked, medium_breasts, miniskirt, monochrome, necktie, school_uniform, sion_eltnam_sokaris, skirt, thighhighs, twintails, very_long_hair, zettai_ryouiki