Rule 34 Dev - 1boy 1girl armpits arms_up bar_censor bdsm blue_eyes blush bondage bound bound_wrists bow boy_on_top breasts breasts_squeezed_together brown_hair censored closed_mouth collar deep_skin hairband handsfree_paizuri hani-ni hetero highres huge_breasts idolmaster idolmaster_cinderella_girls inverted_nipples long_hair looking_at_viewer lying male_pubic_hair nipples on_back paizuri penis pubic_hair raised_eyebrows red_bow red_ribbon ribbon rope sagisawa_fumika straddling straddling_paizuri sweat tearing_up veins veiny_penis white_hairband|12648974481