1girl, all_fours, alternate_breast_size, alternate_costume, arm_support, black_shirt, blue_archive, blue_eyes, blurry, blurry_background, blush, breasts, collarbone, expressionless, from_below, groin, halo, head_tilt, iroha_(blue_archive), leaning_forward, looking_at_viewer, mature_female, medium_breasts, neck, no_pants, red_hair, shirt, short_sleeves, spaghetti_strap, staz008, thick_thighs, thighs, wavy_hair