1girl, absurdres, arknights, barefoot, bikini, bikini_under_clothes, black_bikini, black_hair, black_jacket, ch'en_(arknights), ch'en_the_holungday_(arknights), closed_mouth, dragon_horns, firing, heart, highres, horns, horns_through_headwear, jacket, long_hair, long_sleeves, on_one_knee, open_clothes, open_fly, open_jacket, open_shorts, raft, red_eyes, sama_(sama24654684), shorts, solo, swimsuit, thigh_strap, thighs, unworn_eyewear, v-shaped_eyebrows, water, water_gun, white_headwear, white_shorts