aer7o arms_up blurry blurry_background bow closed_mouth collarbone depth_of_field female_focus girls'_frontline gloves glowing glowing_eyes greyscale hair_bun highres horns long_hair looking_at_viewer monochrome ouroboros_(girls'_frontline) red_eyes sailor_collar school_uniform serafuku short_sleeves side_bun single_hair_bun single_side_bun solo spot_color stop text_background twintails very_long_hair
