Rule 34 Dev - 1girls armpits arms_behind_head bakuretsu_tenshi big_breasts bikini black_hair blue_bikini blue_eyes breasts busty cleavage crossed_legs female female_only highres large_breasts legs lips looking_at_viewer official_art ponytail pose posing puckered_lips scan sei_(bakuretsu_tenshi) sensual sexy_armpits solo swimsuit thighs|11815444800