1girl, arknights, arm_up, armpits, bare_shoulders, bikini, black_bikini, blue_eyes, breasts, cleavage, criss-cross_halter, feet_out_of_frame, flower, halterneck, hammock, holding, holding_flower, horns, long_hair, long_sleeves, looking_at_viewer, medium_breasts, naoel_(naoel_art), navel, official_alternate_costume, outdoors, puffy_long_sleeves, puffy_sleeves, red_hair, side-tie_bikini_bottom, sitting, skindentation, solo, stomach, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, swimsuit_cover-up, thigh_strap, tree