1girl, arms_behind_back, bikini, black_bikini, black_choker, breasts, brown_eyes, brown_hair, choker, closed_mouth, cropped_legs, glasses, green_background, hair_between_eyes, kotorigaka, large_breasts, leaning_to_the_side, light_blush, long_hair, looking_at_viewer, lycoris_recoil, nakahara_mizuki, navel, o-ring, o-ring_bikini, o-ring_bottom, o-ring_top, over-rim_eyewear, red-framed_eyewear, semi-rimless_eyewear, simple_background, smile, solo, stomach, swimsuit, twitter_username