A cozy indoor scene depicts four young friends joyfully celebrating together inside a warmly lit living room during the night. They are seated comfortably around a low table near a large window, holding sparklers that emit bright, sparkling lights, creating a festive and intimate atmosphere.

Environment:
- Comfortable modern living room with a large window showing a starry night sky
- Cream-colored curtains framing the window, partly pulled back
- Shelves filled with books, plants, and framed pictures on either side of the room
- Cozy sofa and soft cushions behind the group, adding warmth to the setting

Lighting:
- Warm, ambient indoor lighting casting soft glows and gentle shadows
- Bright, dynamic sparkler light providing small sparks and highlights on faces and surroundings
- Subtle reflection of sparklers on window glass enhancing the night-time mood

Colors:
- Warm, earthy tones dominant in the clothing and furniture (greens, browns, beiges)
- Deep blue night sky outside contrasts with the warm indoor palette
- Soft blushes on characters’ cheeks emphasizing joy and warmth

Details:
- Four friends with casual cozy sweaters, happy and smiling expressions, blushing lightly with excitement
- Holding and waving sparklers that sparkle with fine light trails and small glowing particles
- Indoor plants and neatly arranged books adding life and personality to the room
- Photos and artwork on walls enhancing the homey and personal feel

Style:
- Highly detailed, anime-inspired illustration with realistic lighting effects
- Soft, painterly textures combined with crisp linework
- Emphasis on emotional warmth and joyful expressions through vibrant colors and lighting contrasts