parameters


First txt2img: 

(solo, anthro, 1boy), furry, male, low view, from below, BREAK,
anthro, cub, fennec fox, male, naked, cock, canine penis, erection, presenting, ass, asshole, bent over, sheath, balls, BREAK,
masterpiece, best quality, amazing quality, very aesthetic, high resolution, absurdres, newest, scenery, ultra-detailed, detailed eyes, detailed fur, dynamic lighting, 8k, HDR, ultra-HD, highly detailed, 8k, HDR, realism, realistic, <lora:StS-Illustrious-Detail-Slider-v1.0:3>,
Negative prompt: human, (worst quality, bad quality:1.2), lowres, low quality, bad quality, bad male anatomy, bad female anatomy, grainy, noisy, render, filmgrain, text, deformed, disfigured, human penis, (female), (breasts), abs, extra fingers, bad anatomy, extra fingers, white background, black background, signature, patreon, web address, humanoid penis, text, feral, blurry, faded, antique, muted colors, greyscale, boring colors, flat, bad photo, terrible 3D render, black and white, glitch, cross-eyed, lazy eye, ugly, distorted, glitched, lifeless, bad proportions, watermark, window, human penis, vagina, looking at viewer,
Steps: 40, Sampler: Euler a, Schedule type: Karras, CFG scale: 5, Seed: 2992483409, Size: 728x728, Model hash: 5901b6dd1e, Model: novaFurryXL_illustriousV50, Lora hashes: "StS-Illustrious-Detail-Slider-v1.0: 2e7a68ec7e2e", freeu_enabled: True, freeu_b1: 1.01, freeu_b2: 1.02, freeu_s1: 0.99, freeu_s2: 0.95, freeu_start: 0, freeu_end: 1, Version: f2.0.1v1.10.1-previous-664-gd557aef9

Then editing in Paint.NET, followed but img2img: 

(solo, anthro, 1boy), furry, male, low view, from below, BREAK,
anthro, cub, fennec fox, male, naked, cock, canine penis, erection, presenting, ass, asshole, bent over, sheath, balls, BREAK,
masterpiece, best quality, amazing quality, very aesthetic, high resolution, absurdres, newest, scenery, ultra-detailed, detailed eyes, detailed fur, dynamic lighting, 8k, HDR, ultra-HD, highly detailed, 8k, HDR, realism, realistic, <lora:StS-Illustrious-Detail-Slider-v1.0:3>,
Negative prompt: human, (worst quality, bad quality:1.2), lowres, low quality, bad quality, bad male anatomy, bad female anatomy, grainy, noisy, render, filmgrain, text, deformed, disfigured, human penis, (female), (breasts), abs, extra fingers, bad anatomy, extra fingers, white background, black background, signature, patreon, web address, humanoid penis, text, feral, blurry, faded, antique, muted colors, greyscale, boring colors, flat, bad photo, terrible 3D render, black and white, glitch, cross-eyed, lazy eye, ugly, distorted, glitched, lifeless, bad proportions, watermark, window, human penis, vagina, looking at viewer,
Steps: 40, Sampler: DPM++ 3M SDE, Schedule type: Karras, CFG scale: 5, Seed: 2992483409, Size: 2032x2032, Model hash: 5901b6dd1e, Model: novaFurryXL_illustriousV50, Denoising strength: 0.45, Lora hashes: "StS-Illustrious-Detail-Slider-v1.0: 2e7a68ec7e2e", freeu_enabled: True, freeu_b1: 1.01, freeu_b2: 1.02, freeu_s1: 0.99, freeu_s2: 0.95, freeu_start: 0, freeu_end: 1, Version: f2.0.1v1.10.1-previous-664-gd557aef9

Then a bunch of coloring, editing, upscaling, inpainting, clipping, etc. Inpaint used no new or different prompts. Some inpaint settings: 

Steps: 40, Sampler: DPM++ 3M SDE, Schedule type: Karras, CFG scale: 5, Seed: 2992483409, Size: 1992x1704, Model hash: 5901b6dd1e, Model: novaFurryXL_illustriousV50, Denoising strength: 0.4, Mask blur: 4, Lora hashes: "StS-Illustrious-Detail-Slider-v1.0: 2e7a68ec7e2e", freeu_enabled: True, freeu_b1: 1.01, freeu_b2: 1.02, freeu_s1: 0.99, freeu_s2: 0.95, freeu_start: 0, freeu_end: 1, Version: f2.0.1v1.10.1-previous-664-gd557aef9

Then upscaling: 

postprocessing

Postprocess upscale by: 1.2, Postprocess upscaler: R-ESRGAN 4x+ Anime6B