Prompt: masterpiece, best quality, ultra-detailed, <lora:yuukaV2.3>, <lora:Concept_StraddlingChair_1.1:2> ,from behind, 1girl, straddling chair, ass, microbikini, rear boob
Negative prompt: bad-hands-5, bad_prompt_version2, easynegative, FastNegativeV2, ng_deepnegative_v1_75t, verybadimagenegative_v1.3