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) 
Model:  yiffymix_v62Noobxl


Prompt Infos: 

Steps: 35, Sampler: Euler a, Schedule type: Automatic, CFG scale: 7, Seed: 2772823039, Size: 1024x1024, Model hash: 5246f81705, Model: yiffymix_v62Noobxl, Denoising strength: 0.3, Clip skip: 2, Mask blur: 4, Inpaint area: Only masked, Masked area padding: 32, Lora hashes: "Vore__Head_first: c362c6dec5af, StS-Illustrious-Detail-Slider-v1.0: 2e7a68ec7e2e", Version: f2.0.1v1.10.1-previous-669-gdfdcbab6

Positiv: 

<lora:Vore__Head_first:1>, smooth anime style, masterpiece, best quality, amazing quality, male, bedroom, night, male, Sonic the hedgehog \(series\), Sonic the Hedgehog, eating Tails the Fox, precum, same size, <lora:StS-Illustrious-Detail-Slider-v1.0:1>, vore belly, green eyes,

Negative prompt: realism, 3D,busty, ugly face, mutated hands, low res, blurry face, black and white, text, human, watermark, chubby, pubic hair, eyelashes, tears, piercing, lips, shoes , socks, eyelashes, plate, plates, ((((Female)))), ((breasts)), eye lashes, on car, eyelashes, feminine, shirt, bra, finger nails, closed eyes,