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 Flux) 
Extension: Forge Couple
Model:  novaFurryXL_illustriousV40
Loras: <lora:Smooth Anime 2 Style SDXL_LoRA_Pony Diffusion V6 XL:0.7>, <lora:Pony_DetailV2.0:0.7> 

Prompt 1

Positiv:
<lora:Smooth Anime 2 Style SDXL_LoRA_Pony Diffusion V6 XL:0.7>, <lora:Pony_DetailV2.0:0.7>, smooth anime style, masterpiece, best quality, amazing quality, very aesthetic, high resolution, ultra-detailed, absurdres, male/male, outside, duo, purple road, floating rocks, blue and red thunder, side view,
sonic the hedgehog \(series\), Shadow the Hedgehog, intense stare, glowing red eyes, angry, penis, balls, fighting stance, tall, adult, twink, athletic, muscle, sexy, white gloves, round rump,
sonic the hedgehog \(series\), Sonic the Hedgehog, intense stare, glowing blue eyes, angry, penis, balls, fighting stance, tall, adult, twink, athtetic, muscle, sexy, white gloves, round rump,

Negative prompt: 
busty, ugly face, mutated hands, low res, blurry face, black and white, text, human, watermark, chubby, pubic hair, bulge, holding object, light, lighting, bad hands, eyelashes, tears, piercing, lips, shoes , socks, (((hair, pony tails, pony, pony tail, pony-tail,))) feminine, breasts,

Prompt 2

Positiv: 
<lora:Smooth Anime 2 Style SDXL_LoRA_Pony Diffusion V6 XL:0.7>, <lora:Pony_DetailV2.0:0.7>, smooth anime style, masterpiece, best quality, amazing quality, very aesthetic, high resolution, ultra-detailed, absurdres, male/male, outside, duo, purple void, floating rocks, blue and red thunder, anal sex, red and blue energy,
sonic the hedgehog \(series\), Shadow the Hedgehog, glowing red eyes, moaning, penis, balls, adult, twink, athletic, muscle, sexy, white gloves, round rump , wide hips, red lightning, anal penetration,
sonic the hedgehog \(series\), Sonic the Hedgehog, intense stare, glowing blue eyes, smirk, penis, balls, , adult, twink, athtetic, muscle, sexy, white gloves, round rump, wide hips, in air, anal penetration, blue lightning, being penetrated,

Negative prompt: 
busty, ugly face, mutated hands, low res, blurry face, black and white, text, human, watermark, chubby, pubic hair, bulge, holding object, light, lighting, bad hands, eyelashes, tears, piercing, lips, shoes , socks, (((hair, pony tails, pony, pony tail, pony-tail,))) feminine, breasts,