Rule 34 Dev - 1boy 1girl @_@ angry aqua_eyes asphyxiation bed black_hair blue_eyes blush brother_and_sister casual computer dutch_angle face fang feet female hair_ornament hairclip headscissor kanna_asuke kousaka_kirino kousaka_kyousuke laptop leg_lock legs long_hair male no_shoes orange_hair ore_no_imouto_ga_konna_ni_kawaii_wake_ga_nai panties pantyshot purple_legwear short_hair siblings sleepwear strangling tears thighhighs toe_scrunch toes underwear zettai_ryouiki|3717579203