Rule 34 Dev - 1girl :p alternate_costume bikini black_bikini black_footwear blue_eyes blue_ribbon blush boots breasts choker claw_pose collarbone commentary_request demon_horns demon_tail deras detached_sleeves earrings full_body gakuen_idolmaster grey_hair groin hair_ribbon half_up_braid heart heart_earrings heart_o-ring highres horns idolmaster jewelry katsuragi_lilja kneeling large_breasts linea_alba looking_at_viewer navel navel_piercing o-ring o-ring_bikini o-ring_choker piercing ribbon ribbon_braid short_hair smile solo steaming_body stomach sweat swimsuit tail thigh_boots thigh_gap tongue tongue_out twitter_username|24295260366