Resources used: (bare in mind that I do quite a lot of editing on pictures so you might not get quite the same results)

Photoshop
Stable Diffusion Forge
Extension: Forge Couple
Model: novaFurryXL_ilV135

Positive: 
<lora:Nine-e100_s1000:1>, masterpiece, best quality, amazing quality, 4k, very aesthetic, high resolution, ultra-detailed, absurdres, newest, sonic the hedgehog \(series\), tails nine sonic prime, male, standing, penis, balls, smirk, holding leash, workshop, detailed fluffy fur, flat colors, duo, blue eyes, detailed background, ((two tails)),
masterpiece, best quality, amazing quality, 4k, very aesthetic, high resolution, sonic the hedgehog \(series\), tails the fox, on all fours, blushing, collar, attached leash, ultra-detailed, absurdres, newest, scenery, duo, detailed fluffy fur, naked, workshop, duo, detailed background, tall, penis, balls, tall, ((two tails)),

Negative prompt: realism, 3D, busty, ((female)), ((Breasts)), human, modern, recent, old, oldest, graphic, cartoon, text, painting, crayon, graphite, abstract, glitch, deformed, mutated, ugly, disfigured, long body, lowres, bad anatomy, bad hands, missing fingers, extra digits, fewer digits, cropped, very displeasing, (worst quality, bad quality:1.2), sketch, jpeg artifacts, signature, watermark, username, simple background, conjoined, bad ai-generated, lips, sweat, tears, ((eye lashes, eyelashes,)) gold in hair, jewelry in hair, female, feminine, anal sex, blue fur, Sonic the Hedgehog, red rump, 

Generation Info: 
Steps: 35, Sampler: Euler a, Schedule type: Automatic, CFG scale: 5, Seed: 2106007118, Size: 1300x800, Model hash: c42f95ef96, Model: novaFurryXL_ilV135, Denoising strength: 0.01, Clip skip: 2, Hires Module 1: Use same choices, Hires CFG Scale: 5, Hires upscale: 1.5, Hires upscaler: R-ESRGAN 4x+ Anime6B, Lora hashes: "Nine-e100_s1000: 0d34eb6a8bb4", forge_couple: True, forge_couple_compatibility: True, forge_couple_mode: Advanced, forge_couple_separator: \n, forge_couple_mapping: "[[0, 0.5, 0, 1, 1], [0.5, 1, 0, 1, 1]]", forge_couple_common_parser: { }, Version: f2.0.1v1.10.1-previous-669-gdfdcbab6


Inpaint: (fixed Nine's eyes)
Steps: 35, Sampler: Euler a, Schedule type: Automatic, CFG scale: 7, Seed: 297585019, Size: 1024x1024, Model hash: c42f95ef96, Model: novaFurryXL_ilV135, Denoising strength: 0.01, Clip skip: 2, Mask blur: 4, Inpaint area: Only masked, Masked area padding: 32, Lora hashes: "Nine-e100_s1000: 0d34eb6a8bb4", Version: f2.0.1v1.10.1-previous-669-gdfdcbab6