👨‍🏫 Tutorial Image Prompt: Detailed mirror-selfie otaku room scene

[KumaKuma]

Description
A very detailed Nano Banana prompt describing a female mirror selfie in a blue-toned otaku computer corner, with full specifications for character, environment, lighting, camera, and negative prompts.

Prompt

### Scene
Mirror selfie in an otaku-style computer corner, blue color tone.

### Subject

• Gender E×ρréššion: female
• Age: around 25
• Ethnicity: East Asian
• Body type: slim, with a defined waist; natural body proportions
• Skin tone: light neutral tone
• Hairstyle:

* Length: waist-length hair
* Style: straight with slightly curled ends
* Color: medium brown
* Pose:
* Stance: standing in a slight contrapposto pose
* Right hand: holding a smartphone in front of her face (identity hidden)
* Left arm: naturally hanging down alongside the torso
* Torso: body leaning slightly back; waist and abdomen exposed
* Clothing:
* Top: light blue cropped knit cardigan, top two buttons fastened; a blue French-style *** faintly visible
* Bottom: denim ultra-short shorts, with a blue satin ribbon bow on each side of the hips
* Socks: blue and white horizontal striped over-the-knee socks
* Accessory: a blue cute mascot phone case

### Environment

• Description: bedroom computer corner seen through a wall-mounted mirror
• Furnishings:

* White desk
* Single monitor showing a soft blue wallpaper (no readable text)
* Mechanical keyboard with white keycaps on a blue desk mat
* Mouse on a small blue mouse pad
* PC tower on the right side with blue case lighting
* Three anime figures on or near the PC tower
* A poster of a pagoda on the wall
* Cat-shaped desk lamp with blue accents
* A transparent glass of water
* A tall green leafy plant by the window (on the left side of the frame)
* Color replacement: replace all originally pink elements (clothes and room decor) with blue tones (baby blue to sky blue/periwinkle blue).

### Lighting

• Light source: daylight coming from a large window on the left side of the camera, through sheer curtains
• Light quality: soft, diffused light
• White balance (K): 5200

### Camera

• Mode: smartphone rear camera shooting via the mirror (no portrait/bokeh mode)
• Equivalent focal length (mm): 26
• Distances (m):

* Subject to mirror: 0.6
* Camera to mirror: 0.5
* Exposure:
* Aperture (f): 1.8
* ISO: 100
* Shutter speed (s): 0.01
* Exposure compensation (EV): -0.3

• Focus: focus on the torso and shorts in the mirror image
• Depth of field: natural smartphone deep depth of field; background clearly visible with no artificial blur
• Composition:

* Aspect ratio: 1:1
* Crop: from the top of the head to mid-thigh; include the desk, monitor, PC tower, and plant in the frame
* Angle: slightly high angle from the mirror’s point of view
* Composition note: keep the subject centered; to avoid wide-angle edge distortion, have her stand a bit further away and crop to a square later.

### Negative prompts

• Any appearance of pink/magenta anywhere
• Beauty filters/over-smoothed skin; poreless skin look
• Exaggerated or distorted anatomy
• NSFW, see-through fabrics, wardrobe malfunctions
• Logos, brand names, or readable user interface text
• Fake portrait-mode blur, CGI/illustration feel