Rule 34 Dev - 2girls bad_id bad_pixiv_id biting blood blush bolt_(hardware) censored convenient_censoring flat_chest flauschtraut franken_fran guro hornhell_(hugro) incest lab_coat long_hair madaraki_fran madaraki_veronica monochrome multiple_girls nude scalpel short_hair siblings sisters stitches torso uncommon_stimulation wince yuri|3845058633