1girl ahoge alternate_costume anklet antennae arknights bikini bird black_choker blazpu blue_sky breasts brown_eyes choker cloud collarbone demon_horns demon_tail feet flip-flops foot_out_of_frame grey_hair grin highres horns jewelry legs medium_breasts medium_hair multicolored_hair nail_polish outdoors pier red_bikini sandals seagull see-through see-through_shirt shirt short_sleeves sitting sky smile solo swimsuit tail toenail_polish toenails toes towel w_(arknights) white_hair