At first I thought of building a scene based on the LoFi Girl's mood and I began creating assets with ProBuilder using object in my own environement as reference. Then I changed my mind and set the scene in my own work place at home. 

So after spending way more than three hours on it (three weeks?), here is the result. Sorry for being the only one able to compare with the real place!

The main lighting is made by the two orange and green lamps with mixed lights and by an area light which is baked.

In order to make every materials I needed, I created many png textures which contribute to the global lighting with base maps, normal maps, height maps, occlusion maps and emissive maps. 

All emissive materials are baked and most of the objects in the scene are static.

There are invisible spotlights to strenghten the impact of some emissive lights (screens, pc tower fans...). The two canvas have reflection probes and the all scene is surrounded by a mesh of light probes. 

Also I made various shaders for this scene: the small lamp material, different types of glass, the animated hot coffee smoke and the animated windy curtain.

These exercise teached me a lot more than just lighting a scene. During this part of the path, I discovered many tools like Terrain and ProBuilder and decided to go deeper in ProBuilder and shaders & materials knowledge.