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anal anal_penetration anthro assimilation blush blush_lines bodily_fluids bound comic cougar dialogue dripping encasement english_text expansion felid feline genital_expansion genital_fluids genital_growth genitals goo_transformation growing growth growth_sequence hi_res knot male mammal masturbation pankallisti penetration penis penis_expansion precum precum_drip prostate prostate_stimulation solo speech_bubble text transformation yamada_(waheyshet)