1boy 1girl arms_behind_back bad_id bad_pixiv_id ball_gag bdsm blush breast_grab breasts brown_hair chain chain_leash collar detached_sleeves drooling exhibitionism female_pubic_hair gag gagged grabbing hetero highres kantai_collection kongou_(kancolle) large_breasts leash long_hair looking_at_viewer navel nipples nude pubic_hair public_indecency purple_eyes saliva solo_focus viewer_holding_leash yuzuruka_(bougainvillea)