Otter Parameters: 

1: 

txt2img: 
parameters

anthro, furry, solo, 1boy, on floor, kneeling, naked, looking at viewer, seductive, presenting, beach,
BREAK
{otter, male, adult, short brown fur, balls, sheath,}
BREAK,
masterpiece, best quality, amazing quality, very aesthetic, high resolution, absurdres, newest, scenery, ultra-detailed, detailed eyes, detailed fur, dynamic lighting, 8k, HDR, <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, letters, pubic hair, numbers,

Steps: 40, Sampler: Euler a, Schedule type: Karras, CFG scale: 7, Seed: 2330677906, Size: 1024x1024, 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-659-gc055f2d4

then img2img: 

parameters

anthro, furry, solo, 1boy, on floor, kneeling, naked, looking at viewer, seductive, presenting, beach,
BREAK
{otter, male, adult, short brown fur, balls, sheath, brown eyes,}
BREAK,
masterpiece, best quality, amazing quality, very aesthetic, high resolution, absurdres, newest, scenery, ultra-detailed, detailed eyes, detailed fur, dynamic lighting, 8k, HDR, <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, letters, pubic hair, numbers,
Steps: 40, Sampler: Euler a, Schedule type: Karras, CFG scale: 7, Seed: 2330677906, Size: 2024x2024, Model hash: a6fb9025ae, Model: knkLuminai_v10, 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-659-gc055f2d4

postprocessing

Postprocess upscale by: 1, Postprocess upscaler: R-ESRGAN 4x+ Anime6B


------------

2:

txt2img: 


parameters

anthro, furry, solo, 1boy, naked, looking at viewer, seductive, presenting, beach, all fours, from behind, presenting ass,
BREAK
{otter, male, adult, short brown fur, balls, sheath, anus, erection,}
BREAK,
masterpiece, best quality, amazing quality, very aesthetic, high resolution, absurdres, newest, scenery, ultra-detailed, detailed eyes, detailed fur, dynamic lighting, 8k, HDR, <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, letters, pubic hair, numbers,

Steps: 40, Sampler: Euler a, Schedule type: Karras, CFG scale: 7, Seed: 2479564782, Size: 1024x1024, 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-659-gc055f2d4

then img2img: 

parameters

anthro, furry, solo, 1boy, naked, looking at viewer, seductive, presenting, beach, all fours, from behind, presenting ass,
BREAK
{otter, male, adult, short brown fur, balls, sheath, anus, erection, brown eyes,}
BREAK,
masterpiece, best quality, amazing quality, very aesthetic, high resolution, absurdres, newest, scenery, ultra-detailed, detailed eyes, detailed fur, dynamic lighting, 8k, HDR, <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, letters, pubic hair, numbers,

Steps: 40, Sampler: Euler a, Schedule type: Karras, CFG scale: 7, Seed: 2479564782, Size: 2048x2048, Model hash: a6fb9025ae, Model: knkLuminai_v10, Denoising strength: 0.4, 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-659-gc055f2d4

postprocessing

Postprocess upscale by: 1, Postprocess upscaler: R-ESRGAN 4x+ Anime6B

------
3:

parameters

anthro, furry, duo, 1boy, naked, looking at viewer, seductive, presenting, beach, imminent fellatio, kneeling, POV, BREAK,
{otter, male, adult, short brown fur, balls, sheath, brown eyes,}
BREAK,
{male, ((canine penis)), knot, tapered penis,}
BREAK
masterpiece, best quality, amazing quality, very aesthetic, high resolution, absurdres, newest, scenery, ultra-detailed, detailed eyes, detailed fur, dynamic lighting, 8k, HDR, <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, letters, pubic hair, numbers, dots on head, white on head,

Steps: 40, Sampler: Euler a, Schedule type: Karras, CFG scale: 6, Seed: 1608073196, Size: 1024x1024, Model hash: 5901b6dd1e, Model: novaFurryXL_illustriousV50, Variation seed: 1558044912, Variation seed strength: 0.1, 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-659-gc055f2d4

Then img2img: 

parameters

anthro, furry, duo, 1boy, naked, looking at viewer, seductive, presenting, beach, imminent fellatio, kneeling, POV, BREAK,
{otter, male, adult, short brown fur, balls, sheath, brown eyes,}
BREAK,
{male, sheath, ((canine penis)), knot, tapered penis,}
BREAK
masterpiece, best quality, amazing quality, very aesthetic, high resolution, absurdres, newest, scenery, ultra-detailed, detailed eyes, detailed fur, dynamic lighting, 8k, HDR, <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, letters, pubic hair, numbers, dots on head, white on head,
Steps: 40, Sampler: Euler a, Schedule type: Karras, CFG scale: 6, Seed: 1608073196, Size: 2048x2048, Model hash: 5901b6dd1e, Model: novaFurryXL_illustriousV50, Denoising strength: 0.4, Lora hashes: "StS-Illustrious-Detail-Slider-v1.0: 2e7a68ec7e2e", Version: f2.0.1v1.10.1-previous-659-gc055f2d4

postprocessing

Postprocess upscale by: 1, Postprocess upscaler: R-ESRGAN 4x+ Anime6B

----- 
4: 

parameters

anthro, furry, duo, 1boy, naked, looking at viewer, seductive, presenting, beach, imminent fellatio, kneeling, POV, BREAK,
{otter, male, adult, short brown fur, balls, sheath, brown eyes, one eye closed, closed eye, squinting,}
BREAK,
{male, sheath, ((canine penis)), knot, tapered penis,}
BREAK
masterpiece, best quality, amazing quality, very aesthetic, high resolution, absurdres, newest, scenery, ultra-detailed, detailed eyes, detailed fur, dynamic lighting, 8k, HDR, <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, letters, pubic hair, numbers, dots on head, white on head,
Steps: 40, Sampler: Euler a, Schedule type: Karras, CFG scale: 6, Seed: 1608073196, Size: 1024x1024, Model hash: 5901b6dd1e, Model: novaFurryXL_illustriousV50, Variation seed: 1558044912, Variation seed strength: 0.1, 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-659-gc055f2d4

Then img2img: 

parameters

anthro, furry, duo, 1boy, naked, looking at viewer, seductive, presenting, beach, imminent fellatio, kneeling, POV, cum, cumming, cum shot, cum on face, BREAK,
{otter, male, adult, short brown fur, balls, sheath, brown eyes, one eye closed, closed eye, squinting, orgasm face,}
BREAK,
{male, sheath, ((canine penis)), knot, tapered penis,}
BREAK
masterpiece, best quality, amazing quality, very aesthetic, high resolution, absurdres, newest, scenery, ultra-detailed, detailed eyes, detailed fur, dynamic lighting, 8k, HDR, <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, letters, pubic hair, numbers, dots on head, white on head,
Steps: 40, Sampler: Euler a, Schedule type: Karras, CFG scale: 6, Seed: 1608073196, Size: 2048x2048, Model hash: 5901b6dd1e, Model: novaFurryXL_illustriousV50, Denoising strength: 0.5, Mask blur: 4, Lora hashes: "StS-Illustrious-Detail-Slider-v1.0: 2e7a68ec7e2e", Version: f2.0.1v1.10.1-previous-659-gc055f2d4

postprocessing

Postprocess upscale by: 1, Postprocess upscaler: R-ESRGAN 4x+ Anime6B

-----

Edits made using paint/photoshop (mostly for colors and cum and removing some object here and there) during the process, and then touch up after.