ni_(221), koakuma, year_2024, 1girl, armpits, arms_behind_head, arms_up, black_slingshot_swimsuit, black_thighhighs, blush, closed_mouth, collarbone, demon_wings, fang, fang_out, head_wings, long_hair, looking_at_viewer, navel, o-ring, o-ring_swimsuit, pink_eyes, pink_hair, slingshot_swimsuit, smile, solo, stomach, swimsuit, thighhighs, thighs, white_background, wings, absurdres, highres, touhou