anthro balls belt big_ears black_eyes blush bottomwear bottomwear_down brown_hair clothed clothing clothing_lift duo forest forest_background fur genitals grass hair human_on_anthro humanoid_genitalia interspecies licking looking_at_another looking_at_partner lying male male/male male_on_anthro male_on_human micro mouse_ears mouse_tail nature nature_background on_back oral pants pants_down partially_clothed penile penis penis_lick plant pubes sex shirt shirt_lift short_hair shrub sitting_on_another size_difference smaller_male tent tongue tongue_out topwear tree underwear white_body white_fur fenix_ai human mammal mouse murid murine rodent hi_res
Let me clarify, the mouse is NOT intended to be young. It is simply size difference between species, more "accurate" to size.

positioning/human/size difference was  PAIN to get, after many prompts and gens I finally got this with some editing to fix the legs on the mouse and the hands