1girl absurdres alternate_costume arknights bikini blue_hair breasts ch'en_(arknights) cleavage collar criss-cross_halter detached_collar dragon_horns feet_out_of_frame food halterneck hands_up highres holding_ice_cream horns innertube long_hair low_twintails medium_breasts popsicle qianzhu simple_background sitting solo swimsuit thigh_strap twintails water watermelon_bar white_background white_bikini white_collar