Rule 34 Dev - animated big_breasts blue_hair breast_expansion breasts genderswap_(mtf) gif huge_breasts infinitysign large_breasts mtf_transformation pink_eyes rimuru_tempest rule_63 shion_(tensei_shitara_slime_datta_ken) slime_transformation tensei_shitara_slime_datta_ken that_time_i_got_reincarnated_as_a_slime yellow_eyes|12081455216