1girl, arm_up, bad_pixiv_id, bare_arms, bare_shoulders, bikini, blue_archive, blue_hair, blue_sky, blurry, blurry_background, blush, chise_(blue_archive), chise_(swimsuit)_(blue_archive), closed_mouth, day, depth_of_field, groin, horizon, horns, long_hair, looking_at_viewer, navel, ocean, oni, oni_horns, outdoors, red_eyes, sailor_collar, see-through, shikito, side-tie_bikini_bottom, side_ponytail, sky, solo, striped, striped_bikini, swimsuit, very_long_hair, water, white_sailor_collar