1girl, aizawa_nagisa_(jitsu_wa), bikini, blue_bikini, blue_eyes, blue_hair, blush, breasts, collarbone, dark_blue_hair, embarrassed, from_above, hair_between_eyes, hand_on_own_thigh, jacket, jitsu_wa_watashi_wa, leaning_forward, long_bangs, long_sleeves, looking_at_viewer, marine_day, masuda_eiji, navel, open_mouth, outdoors, short_hair, small_breasts, smile, solo, stomach, strapless, strapless_bikini, swimsuit, white_jacket