Rule 34 Dev - 1futa 1girl 3d alternate_universe bete_noire big_penis breasts brown_hair comic dialogue dick_in_mouth english_text frisk_(undertale) futanari glitchtale huge_penis koikatsu_(medium) koikatsu_boi penis penis_in_mouth pink_eyes pink_hair pink_shirt sequence sequential struggling text undertale undertale_au|1078527