1girl, algerie_(azur_lane), algerie_(white_sand_paradise)_(azur_lane), ass, azur_lane, bare_arms, bare_shoulders, bikini, blue_eyes, blush, breasts, day, eichi_(yashokuya), from_behind, from_below, grey_hair, large_breasts, long_hair, looking_at_viewer, looking_back, mole, mole_under_eye, official_alternate_costume, outdoors, parted_lips, sideboob, sitting, sky, smile, solo, swimsuit, thigh_strap, white_bikini