Model I used: 
<NOVA FURRY XL - IL V13.5> 



        
        [Tuxley]
Prompts:  anthro, (furry:1.4), solo, 1boy, (male:1.6), 
BREAK, (young, young child, very young, child, kid), (baby face), anthro, (small body proportions:1.3), (short:1.6), (shortstack:1.2), little furry wolf, (sweet, cute, very cute), (light grey fur:1.3), (wolf ears:1.1), grey and white tail, (short aqua hair:1.1), short hair, (thin aqua brows:0.8), black claws, detailed fur, white countershading, white inner arms, 5 fingers, purple eyes, one eye closed, purple Christmas sweater, white wool pants, Christmas socks, standing, leaning forward, open mouth, arms forward, leaning against a sofa, (detailed canine teeth:1.4), <lora:StS_Age_Slider_Illustrious_v1:-5> <lora:StS-Illustrious-Detail-Slider-v1.0:4.5>, masterpiece, best quality, amazing quality, very aesthetic, high resolution, absurdres, depth of field, newest, ultra-detailed, detailed eyes, detailed fluffy fur, dynamic lighting, 8k, HDR, ultra-HD, highly detailed, HDR, realism, realistic, realistic lighting, caustic shadows, (cinematic lighting:1.3), complimentary lighting, full body view, 

BREAK, Night, Christmas, living room, Christmas tree, indoors, home, from side view
Negative prompt: (worst quality, bad quality:1.2), lowres, low quality, bad male anatomy, bad female anatomy, grainy, noisy, render, filmgrain, text, deformed, disfigured, extra fingers, bad anatomy, signature, patreon, web address, blurry, faded, antique, muted colors, greyscale, boring colors, flat, bad photo, terrible 3D render, glitch, cross-eyed, lazy eye, ugly, distorted, glitched, lifeless, bad proportions, watermark, (human:1.9), human skin, (human ears:1.6), (adult:1.2), (old:1.2), (mature:1.2), (teen:1.2), (tall:1.2), (lanky:1.2), (markings:1.1), fox, white ear tips, digitigrade, thick brows, white brows, rounded ears, aqua fur, purple fur, bad perspective, (grey under eyes:1.1), symmetrical composition, boring composition, view from side, backpack, nude, explicit, knee pads, view from front, dutch angle, (white eyeshadow:1.9), 
Steps: 40, CFG scale: 5.5, Sampler: Euler, Clip skip: 2, quantity: 1, draft: false, aspectRatio: 13:19, baseModel: Illustrious, width: 832, height: 1216, workflow: txt2img, disablePoi: true, process: img2img, enhancedCompatibility: true, engine: comfyui, Seed: 384588885



        [Lyra]
Prompts:  anthro, (furry:1.4), (solo:1.5), 1girl, (female:1.6), BREAK,
(young, young child, very young, kid), anthro, small body proportions, (short:1.4), shortstack, little furry wolf, wolf, (light blue fur:1.5), wolf ears, countershade tail, (purple hair:1.3), long hair, (thin purple brows:0.8), closed eyes, detailed fur, white countershading, (canine teeth:0.8), BREAK,
<lora:StS_Age_Slider_Illustrious_v1:-3>,
<lora:StS-Illustrious-Detail-Slider-v1.0:4.5>,
masterpiece, best quality, amazing quality, very aesthetic, high resolution, absurdres, depth of field, newest, ultra-detailed, detailed eyes, detailed fluffy fur, dynamic lighting, 8k, HDR, ultra-HD, highly detailed, HDR, realism, realistic, realistic lighting, caustic shadows, (volumetric lighting:1.1), (cinematic lighting:1.1), complimentary lighting, BREAK,
brown sweater, black wool pants, yellow Christmas socks, 
Night, Christmas, living room, Christmas tree, indoors, home,
Sitting on the floor, leaning forward, arms around stomach, giggling sweetly, open mouth
Negative prompt: (worst quality, bad quality:1.2), lowres, low quality, bad male anatomy, bad female anatomy, grainy, noisy, render, filmgrain, text, deformed, disfigured, extra fingers, bad anatomy, signature, patreon, web address, blurry, faded, antique, muted colors, greyscale, boring colors, flat, bad photo, terrible 3D render, glitch, cross-eyed, lazy eye, ugly, distorted, glitched, lifeless, bad proportions, watermark, (human:1.9), human skin, (human ears:1.6), (adult:1.2), (old:1.2), (mature:1.2), (teen:1.2), (tall:1.2), (lanky:1.2), (markings:1.1), fox, white ear tips, digitigrade, thick brows, white brows, rounded ears, aqua fur, purple fur, bad perspective, (grey under eyes:1.1), symmetrical composition, boring composition, view from side, backpack, nude, explicit, knee pads, view from front, (dutch angle:1.8), angle shot, (view from below:1.2), (closeup:1.2), purple eyeshadow, purple eyelids, 
Steps: 40, CFG scale: 5.5, Sampler: Euler, Clip skip: 2, quantity: 1, draft: false, aspectRatio: 1:1, baseModel: Illustrious, width: 1024, height: 1024, workflow: txt2img, disablePoi: true, process: img2img, enhancedCompatibility: true, engine: comfyui, Seed: 1786639532



        COMBINED IMAGE
Prompts:  BREAK, anthro, furry, male, (young, young child, very young, child, kid), baby face, anthro, small body proportions, short, shortstack, little furry wolf, (sweet, cute, very cute), light grey fur, wolf ears, grey and white tail, short aqua hair, short hair, thin aqua brows, thin eyebrows, black claws, detailed fur, white countershading, white inner arms, purple eyes, one eye closed, purple Christmas sweater, white wool pants, purple Christmas socks, standing, leaning against the other one, (nibbling the ear playfully), (detailed canine teeth:1.1), (five fingers:1.1), 

BREAK, anthro, furry, solo, (young, young child, very young, kid), anthro, small body proportions, short, shortstack, little furry wolf, wolf, light blue fur, wolf ears, countershade tail, purple hair, long hair, thin purple brows, closed eyes, detailed fur, white countershading, canine teeth, brown sweater, black wool pants, yellow Christmas socks, Christmas, Sitting on the floor, leaning forward, arms around stomach, giggling sweetly, open mouth

BREAK, masterpiece, best quality, amazing quality, very aesthetic, high resolution, absurdres, depth of field, newest, ultra-detailed, detailed eyes, detailed fluffy fur, dynamic lighting, 8k, HDR, ultra-HD, highly detailed, HDR, realism, realistic, realistic lighting, caustic shadows, (cinematic lighting:1.3), complimentary lighting, full body view, 
BREAK, Night, Christmas, living room, Christmas tree, indoors, home, from side view
Negative prompt: (worst quality, bad quality:1.2), lowres, low quality, bad male anatomy, bad female anatomy, grainy, noisy, render, filmgrain, text, deformed, disfigured, extra fingers, bad anatomy, signature, patreon, web address, blurry, faded, antique, muted colors, greyscale, boring colors, flat, bad photo, terrible 3D render, glitch, cross-eyed, lazy eye, ugly, distorted, glitched, lifeless, bad proportions, watermark, (human:1.9), human skin, (human ears:1.6), (adult:1.2), (old:1.2), (mature:1.2), (teen:1.2), (tall:1.2), (lanky:1.2), (markings:1.1), fox, white ear tips, digitigrade, thick brows, white brows, rounded ears, aqua fur, purple fur, bad perspective, (grey under eyes:1.1), symmetrical composition, boring composition, view from side, backpack, nude, explicit, knee pads, view from front, dutch angle, (white eyeshadow:1.9), (toes:1.9)
Steps: 30, CFG scale: 5.5, Sampler: Euler, Clip skip: 2, quantity: 1, aspectRatio: 1:1, baseModel: Illustrious, width: 2816, height: 1920, workflow: img2img, priority: low, sourceImage: [object Object], images: [object Object], disablePoi: true, process: img2img, enhancedCompatibility: true, engine: comfyui, denoise:0.5, seed: 1329342214



        HI-RESING THE FINAL IMAGE
Prompts:  
BREAK, anthro, furry, male, (young, young child, very young, child, kid), baby face, anthro, small body proportions, short, shortstack, little furry wolf, (sweet, cute, very cute), light grey fur, wolf ears, grey and white tail, short aqua hair, short hair, thin aqua brows, thin eyebrows, black claws, detailed fur, white countershading, white inner arms, purple eyes, one eye closed, purple Christmas sweater, white wool pants, purple Christmas socks, standing, leaning against the other one, (nibbling the ear playfully), (detailed canine teeth:1.1), (five fingers:1.1), 

BREAK, anthro, furry, solo, (young, young child, very young, kid), anthro, small body proportions, short, shortstack, little furry wolf, wolf, light blue fur, wolf ears, countershade tail, purple hair, long hair, thin purple brows, closed eyes, detailed fur, white countershading, canine teeth, brown sweater, black wool pants, yellow Christmas socks, Christmas, Sitting on the floor, leaning forward, arms around stomach, giggling sweetly, open mouth

BREAK, masterpiece, best quality, amazing quality, very aesthetic, high resolution, absurdres, depth of field, newest, ultra-detailed, detailed eyes, detailed fluffy fur, dynamic lighting, 8k, HDR, ultra-HD, highly detailed, HDR, realism, realistic, realistic lighting, caustic shadows, (cinematic lighting:1.3), complimentary lighting, full body view, 
BREAK, Night, Christmas, living room, Christmas tree, indoors, home, from side view

Negative prompt: (worst quality, bad quality:1.2), lowres, low quality, bad male anatomy, bad female anatomy, grainy, noisy, render, filmgrain, text, deformed, disfigured, extra fingers, bad anatomy, signature, patreon, web address, blurry, faded, antique, muted colors, greyscale, boring colors, flat, bad photo, terrible 3D render, glitch, cross-eyed, lazy eye, ugly, distorted, glitched, lifeless, bad proportions, watermark, (human:1.9), human skin, (human ears:1.6), (adult:1.2), (old:1.2), (mature:1.2), (teen:1.2), (tall:1.2), (lanky:1.2), (markings:1.1), fox, white ear tips, digitigrade, thick brows, white brows, rounded ears, aqua fur, purple fur, bad perspective, (grey under eyes:1.1), symmetrical composition, boring composition, view from side, backpack, nude, explicit, knee pads, view from front, dutch angle, (white eyeshadow:1.9), (toes:1.9)
Steps: 30, CFG scale: 5.5, Sampler: Euler, Clip skip: 2, quantity: 1, aspectRatio: 1:1, baseModel: Illustrious, width: 2816, height: 1920, workflow: img2img, priority: low, sourceImage: [object Object], images: [object Object], disablePoi: true, process: img2img, enhancedCompatibility: true, engine: comfyui, denoise:0.15, seed: 140088931



[To generate images I used the "CivitAi" site. For corrections or fixes "Photoroom Ai Photo Editor"]