Rule 34 Dev - 2girls bad_id bad_pixiv_id breasts chainsaw crop_top graphite_(medium) greyscale impossible_clothes impossible_shirt kneeling large_breasts long_hair monochrome multiple_girls necktie shirt short_hair short_shorts shorts siblings sisters sketch traditional_media yamatoya yurikawa_midori yurikawa_saki zombie zombie-ya_reiko|3385542303